15840974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 26873856

約数和(自身を除く): 11032882

約数列:

[1, 2, 17, 23, 34, 46, 47, 94, 391, 431, 782, 799, 862, 1081, 1598, 2162, 7327, 9913, 14654, 18377, 19826, 20257, 36754, 40514, 168521, 337042, 344369, 465911, 688738, 931822, 7920487, 15840974]

約数ペア:

[(1, 15840974), (2, 7920487), (17, 931822), (23, 688738), (34, 465911), (46, 344369), (47, 337042), (94, 168521), (391, 40514), (431, 36754), (782, 20257), (799, 19826), (862, 18377), (1081, 14654), (1598, 9913), (2162, 7327)]