18801477860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{829721}}^1$

素因数の和:829844

約数の個数: 48

約数和(自身を含む): 43490708352

約数和(自身を除く): 24689230492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 11330, 22660, 829721, 1659442, 3318884, 4148605, 8297210, 9126931, 16594420, 18253862, 36507724, 45634655, 85461263, 91269310, 170922526, 182538620, 341845052, 427306315, 854612630, 940073893, 1709225260, 1880147786, 3760295572, 4700369465, 9400738930, 18801477860]

約数ペア:

[(1, 18801477860), (2, 9400738930), (4, 4700369465), (5, 3760295572), (10, 1880147786), (11, 1709225260), (20, 940073893), (22, 854612630), (44, 427306315), (55, 341845052), (103, 182538620), (110, 170922526), (206, 91269310), (220, 85461263), (412, 45634655), (515, 36507724), (1030, 18253862), (1133, 16594420), (2060, 9126931), (2266, 8297210), (4532, 4148605), (5665, 3318884), (11330, 1659442), (22660, 829721)]