19542704

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15461}}^1$

素因数の和:15548

約数の個数: 20

約数和(自身を含む): 38345760

約数和(自身を除く): 18803056

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15461, 30922, 61844, 123688, 247376, 1221419, 2442838, 4885676, 9771352, 19542704]

約数ペア:

[(1, 19542704), (2, 9771352), (4, 4885676), (8, 2442838), (16, 1221419), (79, 247376), (158, 123688), (316, 61844), (632, 30922), (1264, 15461)]