18703244740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{44657}}^1$

素因数の和:45196

約数の個数: 48

約数和(自身を含む): 40273656192

約数和(自身を除く): 21570411452

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 487, 860, 974, 1948, 2435, 4870, 9740, 20941, 41882, 44657, 83764, 89314, 104705, 178628, 209410, 223285, 418820, 446570, 893140, 1920251, 3840502, 7681004, 9601255, 19202510, 21747959, 38405020, 43495918, 86991836, 108739795, 217479590, 434959180, 935162237, 1870324474, 3740648948, 4675811185, 9351622370, 18703244740]

約数ペア:

[(1, 18703244740), (2, 9351622370), (4, 4675811185), (5, 3740648948), (10, 1870324474), (20, 935162237), (43, 434959180), (86, 217479590), (172, 108739795), (215, 86991836), (430, 43495918), (487, 38405020), (860, 21747959), (974, 19202510), (1948, 9601255), (2435, 7681004), (4870, 3840502), (9740, 1920251), (20941, 893140), (41882, 446570), (44657, 418820), (83764, 223285), (89314, 209410), (104705, 178628)]