18457240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27143}}^1$

素因数の和:27171

約数の個数: 32

約数和(自身を含む): 43973280

約数和(自身を除く): 25516040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27143, 54286, 108572, 135715, 217144, 271430, 461431, 542860, 922862, 1085720, 1845724, 2307155, 3691448, 4614310, 9228620, 18457240]

約数ペア:

[(1, 18457240), (2, 9228620), (4, 4614310), (5, 3691448), (8, 2307155), (10, 1845724), (17, 1085720), (20, 922862), (34, 542860), (40, 461431), (68, 271430), (85, 217144), (136, 135715), (170, 108572), (340, 54286), (680, 27143)]