19175940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 73180800

約数和(自身を除く): 54004860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 89, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 178, 180, 189, 190, 210, 228, 252, 266, 267, 270, 285, 315, 324, 342, 356, 378, 380, 399, 405, 420, 445, 513, 532, 534, 540, 567, 570, 623, 630, 665, 684, 756, 798, 801, 810, 855, 890, 945, 1026, 1068, 1134, 1140, 1197, 1246, 1260, 1330, 1335, 1539, 1596, 1602, 1620, 1691, 1710, 1780, 1869, 1890, 1995, 2052, 2268, 2394, 2403, 2492, 2565, 2660, 2670, 2835, 3078, 3115, 3204, 3382, 3420, 3591, 3738, 3780, 3990, 4005, 4788, 4806, 5073, 5130, 5340, 5607, 5670, 5985, 6156, 6230, 6764, 7182, 7209, 7476, 7695, 7980, 8010, 8455, 9345, 9612, 10146, 10260, 10773, 11214, 11340, 11837, 11970, 12015, 12460, 14364, 14418, 15219, 15390, 16020, 16821, 16910, 17955, 18690, 20292, 21546, 22428, 23674, 23940, 24030, 25365, 28035, 28836, 30438, 30780, 33642, 33820, 35511, 35910, 36045, 37380, 43092, 45657, 47348, 48060, 50463, 50730, 53865, 56070, 59185, 60876, 67284, 71022, 71820, 72090, 76095, 84105, 91314, 100926, 101460, 106533, 107730, 112140, 118370, 136971, 142044, 144180, 152190, 168210, 177555, 182628, 201852, 213066, 215460, 228285, 236740, 252315, 273942, 304380, 319599, 336420, 355110, 426132, 456570, 504630, 532665, 547884, 639198, 684855, 710220, 913140, 958797, 1009260, 1065330, 1278396, 1369710, 1597995, 1917594, 2130660, 2739420, 3195990, 3835188, 4793985, 6391980, 9587970, 19175940]

約数ペア:

[(1, 19175940), (2, 9587970), (3, 6391980), (4, 4793985), (5, 3835188), (6, 3195990), (7, 2739420), (9, 2130660), (10, 1917594), (12, 1597995), (14, 1369710), (15, 1278396), (18, 1065330), (19, 1009260), (20, 958797), (21, 913140), (27, 710220), (28, 684855), (30, 639198), (35, 547884), (36, 532665), (38, 504630), (42, 456570), (45, 426132), (54, 355110), (57, 336420), (60, 319599), (63, 304380), (70, 273942), (76, 252315), (81, 236740), (84, 228285), (89, 215460), (90, 213066), (95, 201852), (105, 182628), (108, 177555), (114, 168210), (126, 152190), (133, 144180), (135, 142044), (140, 136971), (162, 118370), (171, 112140), (178, 107730), (180, 106533), (189, 101460), (190, 100926), (210, 91314), (228, 84105), (252, 76095), (266, 72090), (267, 71820), (270, 71022), (285, 67284), (315, 60876), (324, 59185), (342, 56070), (356, 53865), (378, 50730), (380, 50463), (399, 48060), (405, 47348), (420, 45657), (445, 43092), (513, 37380), (532, 36045), (534, 35910), (540, 35511), (567, 33820), (570, 33642), (623, 30780), (630, 30438), (665, 28836), (684, 28035), (756, 25365), (798, 24030), (801, 23940), (810, 23674), (855, 22428), (890, 21546), (945, 20292), (1026, 18690), (1068, 17955), (1134, 16910), (1140, 16821), (1197, 16020), (1246, 15390), (1260, 15219), (1330, 14418), (1335, 14364), (1539, 12460), (1596, 12015), (1602, 11970), (1620, 11837), (1691, 11340), (1710, 11214), (1780, 10773), (1869, 10260), (1890, 10146), (1995, 9612), (2052, 9345), (2268, 8455), (2394, 8010), (2403, 7980), (2492, 7695), (2565, 7476), (2660, 7209), (2670, 7182), (2835, 6764), (3078, 6230), (3115, 6156), (3204, 5985), (3382, 5670), (3420, 5607), (3591, 5340), (3738, 5130), (3780, 5073), (3990, 4806), (4005, 4788)]