18642962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 31243968

約数和(自身を除く): 12601006

約数列:

[1, 2, 13, 26, 53, 83, 106, 163, 166, 326, 689, 1079, 1378, 2119, 2158, 4238, 4399, 8639, 8798, 13529, 17278, 27058, 57187, 112307, 114374, 175877, 224614, 351754, 717037, 1434074, 9321481, 18642962]

約数ペア:

[(1, 18642962), (2, 9321481), (13, 1434074), (26, 717037), (53, 351754), (83, 224614), (106, 175877), (163, 114374), (166, 112307), (326, 57187), (689, 27058), (1079, 17278), (1378, 13529), (2119, 8798), (2158, 8639), (4238, 4399)]