18640282108

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1319}}^1$

素因数の和:1579

約数の個数: 96

約数和(自身を含む): 38799129600

約数和(自身を除く): 20158847492

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 106, 107, 178, 212, 214, 356, 371, 428, 623, 742, 749, 1246, 1319, 1484, 1498, 2492, 2638, 2996, 4717, 5276, 5671, 9233, 9434, 9523, 11342, 18466, 18868, 19046, 22684, 33019, 36932, 38092, 39697, 66038, 66661, 69907, 79394, 117391, 132076, 133322, 139814, 141133, 158788, 234782, 266644, 279628, 282266, 469564, 489349, 504719, 564532, 821737, 978698, 987931, 1009438, 1643474, 1957396, 1975862, 2018876, 3286948, 3533033, 3951724, 6221723, 7066066, 7480049, 12443446, 12560837, 14132132, 14960098, 24886892, 25121674, 29920196, 43552061, 50243348, 52360343, 87104122, 87925859, 104720686, 174208244, 175851718, 209441372, 351703436, 665724361, 1331448722, 2662897444, 4660070527, 9320141054, 18640282108]

約数ペア:

[(1, 18640282108), (2, 9320141054), (4, 4660070527), (7, 2662897444), (14, 1331448722), (28, 665724361), (53, 351703436), (89, 209441372), (106, 175851718), (107, 174208244), (178, 104720686), (212, 87925859), (214, 87104122), (356, 52360343), (371, 50243348), (428, 43552061), (623, 29920196), (742, 25121674), (749, 24886892), (1246, 14960098), (1319, 14132132), (1484, 12560837), (1498, 12443446), (2492, 7480049), (2638, 7066066), (2996, 6221723), (4717, 3951724), (5276, 3533033), (5671, 3286948), (9233, 2018876), (9434, 1975862), (9523, 1957396), (11342, 1643474), (18466, 1009438), (18868, 987931), (19046, 978698), (22684, 821737), (33019, 564532), (36932, 504719), (38092, 489349), (39697, 469564), (66038, 282266), (66661, 279628), (69907, 266644), (79394, 234782), (117391, 158788), (132076, 141133), (133322, 139814)]