18885148912

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1\times {\mathrm{3259}}^1$

素因数の和:4974

約数の個数: 80

約数和(自身を含む): 43205171200

約数和(自身を除く): 24320022288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1669, 1736, 3259, 3338, 3472, 6518, 6676, 11683, 13036, 13352, 22813, 23366, 26072, 26704, 45626, 46732, 51739, 52144, 91252, 93464, 101029, 103478, 182504, 186928, 202058, 206956, 362173, 365008, 404116, 413912, 707203, 724346, 808232, 827824, 1414406, 1448692, 1616464, 2828812, 2897384, 5439271, 5657624, 5794768, 10878542, 11315248, 21757084, 38074897, 43514168, 76149794, 87028336, 152299588, 168617401, 304599176, 337234802, 609198352, 674469604, 1180321807, 1348939208, 2360643614, 2697878416, 4721287228, 9442574456, 18885148912]

約数ペア:

[(1, 18885148912), (2, 9442574456), (4, 4721287228), (7, 2697878416), (8, 2360643614), (14, 1348939208), (16, 1180321807), (28, 674469604), (31, 609198352), (56, 337234802), (62, 304599176), (112, 168617401), (124, 152299588), (217, 87028336), (248, 76149794), (434, 43514168), (496, 38074897), (868, 21757084), (1669, 11315248), (1736, 10878542), (3259, 5794768), (3338, 5657624), (3472, 5439271), (6518, 2897384), (6676, 2828812), (11683, 1616464), (13036, 1448692), (13352, 1414406), (22813, 827824), (23366, 808232), (26072, 724346), (26704, 707203), (45626, 413912), (46732, 404116), (51739, 365008), (52144, 362173), (91252, 206956), (93464, 202058), (101029, 186928), (103478, 182504)]