18681116

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 33286176

約数和(自身を除く): 14605060

約数列:

[1, 2, 4, 151, 157, 197, 302, 314, 394, 604, 628, 788, 23707, 29747, 30929, 47414, 59494, 61858, 94828, 118988, 123716, 4670279, 9340558, 18681116]

約数ペア:

[(1, 18681116), (2, 9340558), (4, 4670279), (151, 123716), (157, 118988), (197, 94828), (302, 61858), (314, 59494), (394, 47414), (604, 30929), (628, 29747), (788, 23707)]