19771020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 47966580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 41, 45, 47, 54, 57, 60, 76, 82, 90, 94, 95, 108, 114, 123, 135, 141, 164, 171, 180, 188, 190, 205, 228, 235, 246, 270, 282, 285, 342, 369, 380, 410, 423, 470, 492, 513, 540, 564, 570, 615, 684, 705, 738, 779, 820, 846, 855, 893, 940, 1026, 1107, 1140, 1230, 1269, 1410, 1476, 1558, 1692, 1710, 1786, 1845, 1927, 2052, 2115, 2214, 2337, 2460, 2538, 2565, 2679, 2820, 3116, 3420, 3572, 3690, 3854, 3895, 4230, 4428, 4465, 4674, 5076, 5130, 5358, 5535, 5781, 6345, 7011, 7380, 7708, 7790, 8037, 8460, 8930, 9348, 9635, 10260, 10716, 11070, 11562, 11685, 12690, 13395, 14022, 15580, 16074, 17343, 17860, 19270, 21033, 22140, 23124, 23370, 24111, 25380, 26790, 28044, 28905, 32148, 34686, 35055, 36613, 38540, 40185, 42066, 46740, 48222, 52029, 53580, 57810, 69372, 70110, 73226, 80370, 84132, 86715, 96444, 104058, 105165, 109839, 115620, 120555, 140220, 146452, 160740, 173430, 183065, 208116, 210330, 219678, 241110, 260145, 329517, 346860, 366130, 420660, 439356, 482220, 520290, 549195, 659034, 732260, 988551, 1040580, 1098390, 1318068, 1647585, 1977102, 2196780, 3295170, 3954204, 4942755, 6590340, 9885510, 19771020]

約数ペア:

[(1, 19771020), (2, 9885510), (3, 6590340), (4, 4942755), (5, 3954204), (6, 3295170), (9, 2196780), (10, 1977102), (12, 1647585), (15, 1318068), (18, 1098390), (19, 1040580), (20, 988551), (27, 732260), (30, 659034), (36, 549195), (38, 520290), (41, 482220), (45, 439356), (47, 420660), (54, 366130), (57, 346860), (60, 329517), (76, 260145), (82, 241110), (90, 219678), (94, 210330), (95, 208116), (108, 183065), (114, 173430), (123, 160740), (135, 146452), (141, 140220), (164, 120555), (171, 115620), (180, 109839), (188, 105165), (190, 104058), (205, 96444), (228, 86715), (235, 84132), (246, 80370), (270, 73226), (282, 70110), (285, 69372), (342, 57810), (369, 53580), (380, 52029), (410, 48222), (423, 46740), (470, 42066), (492, 40185), (513, 38540), (540, 36613), (564, 35055), (570, 34686), (615, 32148), (684, 28905), (705, 28044), (738, 26790), (779, 25380), (820, 24111), (846, 23370), (855, 23124), (893, 22140), (940, 21033), (1026, 19270), (1107, 17860), (1140, 17343), (1230, 16074), (1269, 15580), (1410, 14022), (1476, 13395), (1558, 12690), (1692, 11685), (1710, 11562), (1786, 11070), (1845, 10716), (1927, 10260), (2052, 9635), (2115, 9348), (2214, 8930), (2337, 8460), (2460, 8037), (2538, 7790), (2565, 7708), (2679, 7380), (2820, 7011), (3116, 6345), (3420, 5781), (3572, 5535), (3690, 5358), (3854, 5130), (3895, 5076), (4230, 4674), (4428, 4465)]