30887882

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 24

約数和(自身を含む): 49377600

約数和(自身を除く): 18489718

約数列:

[1, 2, 19, 38, 179, 239, 358, 361, 478, 722, 3401, 4541, 6802, 9082, 42781, 64619, 85562, 86279, 129238, 172558, 812839, 1625678, 15443941, 30887882]

約数ペア:

[(1, 30887882), (2, 15443941), (19, 1625678), (38, 812839), (179, 172558), (239, 129238), (358, 86279), (361, 85562), (478, 64619), (722, 42781), (3401, 9082), (4541, 6802)]