18933140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 23160940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 521, 790, 1042, 1580, 1817, 2084, 2605, 3634, 5210, 7268, 9085, 10420, 11983, 18170, 23966, 36340, 41159, 47932, 59915, 82318, 119830, 164636, 205795, 239660, 411590, 823180, 946657, 1893314, 3786628, 4733285, 9466570, 18933140]

約数ペア:

[(1, 18933140), (2, 9466570), (4, 4733285), (5, 3786628), (10, 1893314), (20, 946657), (23, 823180), (46, 411590), (79, 239660), (92, 205795), (115, 164636), (158, 119830), (230, 82318), (316, 59915), (395, 47932), (460, 41159), (521, 36340), (790, 23966), (1042, 18170), (1580, 11983), (1817, 10420), (2084, 9085), (2605, 7268), (3634, 5210)]