19205550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 65605176

約数和(自身を除く): 46399626

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 49, 50, 63, 65, 67, 70, 75, 78, 90, 91, 98, 105, 117, 126, 130, 134, 147, 150, 175, 182, 195, 201, 210, 225, 234, 245, 273, 294, 315, 325, 335, 350, 390, 402, 441, 450, 455, 469, 490, 525, 546, 585, 603, 630, 637, 650, 670, 735, 819, 871, 882, 910, 938, 975, 1005, 1050, 1170, 1206, 1225, 1274, 1365, 1407, 1470, 1575, 1638, 1675, 1742, 1911, 1950, 2010, 2205, 2275, 2345, 2450, 2613, 2730, 2814, 2925, 3015, 3150, 3185, 3283, 3350, 3675, 3822, 4095, 4221, 4355, 4410, 4550, 4690, 5025, 5226, 5733, 5850, 6030, 6097, 6370, 6566, 6825, 7035, 7350, 7839, 8190, 8442, 8710, 9555, 9849, 10050, 11025, 11466, 11725, 12194, 13065, 13650, 14070, 15075, 15678, 15925, 16415, 18291, 19110, 19698, 20475, 21105, 21775, 22050, 23450, 26130, 28665, 29547, 30150, 30485, 31850, 32830, 35175, 36582, 39195, 40950, 42210, 42679, 43550, 47775, 49245, 54873, 57330, 59094, 60970, 65325, 70350, 78390, 82075, 85358, 91455, 95550, 98490, 105525, 109746, 128037, 130650, 143325, 147735, 152425, 164150, 182910, 195975, 211050, 213395, 246225, 256074, 274365, 286650, 295470, 304850, 384111, 391950, 426790, 457275, 492450, 548730, 640185, 738675, 768222, 914550, 1066975, 1280370, 1371825, 1477350, 1920555, 2133950, 2743650, 3200925, 3841110, 6401850, 9602775, 19205550]

約数ペア:

[(1, 19205550), (2, 9602775), (3, 6401850), (5, 3841110), (6, 3200925), (7, 2743650), (9, 2133950), (10, 1920555), (13, 1477350), (14, 1371825), (15, 1280370), (18, 1066975), (21, 914550), (25, 768222), (26, 738675), (30, 640185), (35, 548730), (39, 492450), (42, 457275), (45, 426790), (49, 391950), (50, 384111), (63, 304850), (65, 295470), (67, 286650), (70, 274365), (75, 256074), (78, 246225), (90, 213395), (91, 211050), (98, 195975), (105, 182910), (117, 164150), (126, 152425), (130, 147735), (134, 143325), (147, 130650), (150, 128037), (175, 109746), (182, 105525), (195, 98490), (201, 95550), (210, 91455), (225, 85358), (234, 82075), (245, 78390), (273, 70350), (294, 65325), (315, 60970), (325, 59094), (335, 57330), (350, 54873), (390, 49245), (402, 47775), (441, 43550), (450, 42679), (455, 42210), (469, 40950), (490, 39195), (525, 36582), (546, 35175), (585, 32830), (603, 31850), (630, 30485), (637, 30150), (650, 29547), (670, 28665), (735, 26130), (819, 23450), (871, 22050), (882, 21775), (910, 21105), (938, 20475), (975, 19698), (1005, 19110), (1050, 18291), (1170, 16415), (1206, 15925), (1225, 15678), (1274, 15075), (1365, 14070), (1407, 13650), (1470, 13065), (1575, 12194), (1638, 11725), (1675, 11466), (1742, 11025), (1911, 10050), (1950, 9849), (2010, 9555), (2205, 8710), (2275, 8442), (2345, 8190), (2450, 7839), (2613, 7350), (2730, 7035), (2814, 6825), (2925, 6566), (3015, 6370), (3150, 6097), (3185, 6030), (3283, 5850), (3350, 5733), (3675, 5226), (3822, 5025), (4095, 4690), (4221, 4550), (4355, 4410)]