18416741072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{67427}}^1$

素因数の和:67875

約数の個数: 40

約数和(自身を含む): 36604773216

約数和(自身を除く): 18188032144

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 397, 688, 794, 1588, 3176, 6352, 17071, 34142, 67427, 68284, 134854, 136568, 269708, 273136, 539416, 1078832, 2899361, 5798722, 11597444, 23194888, 26768519, 46389776, 53537038, 107074076, 214148152, 428296304, 1151046317, 2302092634, 4604185268, 9208370536, 18416741072]

約数ペア:

[(1, 18416741072), (2, 9208370536), (4, 4604185268), (8, 2302092634), (16, 1151046317), (43, 428296304), (86, 214148152), (172, 107074076), (344, 53537038), (397, 46389776), (688, 26768519), (794, 23194888), (1588, 11597444), (3176, 5798722), (6352, 2899361), (17071, 1078832), (34142, 539416), (67427, 273136), (68284, 269708), (134854, 136568)]