18209721790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7372357}}^1$

素因数の和:7372396

約数の個数: 32

約数和(自身を含む): 37156684320

約数和(自身を除く): 18946962530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7372357, 14744714, 36861785, 73723570, 95840641, 140074783, 191681282, 280149566, 479203205, 700373915, 958406410, 1400747830, 1820972179, 3641944358, 9104860895, 18209721790]

約数ペア:

[(1, 18209721790), (2, 9104860895), (5, 3641944358), (10, 1820972179), (13, 1400747830), (19, 958406410), (26, 700373915), (38, 479203205), (65, 280149566), (95, 191681282), (130, 140074783), (190, 95840641), (247, 73723570), (494, 36861785), (1235, 14744714), (2470, 7372357)]