18159830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 35459424

約数和(自身を除く): 17299594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 857, 1630, 1714, 2119, 4238, 4285, 8570, 10595, 11141, 21190, 22282, 55705, 111410, 139691, 279382, 698455, 1396910, 1815983, 3631966, 9079915, 18159830]

約数ペア:

[(1, 18159830), (2, 9079915), (5, 3631966), (10, 1815983), (13, 1396910), (26, 698455), (65, 279382), (130, 139691), (163, 111410), (326, 55705), (815, 22282), (857, 21190), (1630, 11141), (1714, 10595), (2119, 8570), (4238, 4285)]