18738400

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 72

約数和(自身を含む): 46637640

約数和(自身を除く): 27899240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 397, 400, 472, 590, 794, 800, 944, 1180, 1475, 1588, 1888, 1985, 2360, 2950, 3176, 3970, 4720, 5900, 6352, 7940, 9440, 9925, 11800, 12704, 15880, 19850, 23423, 23600, 31760, 39700, 46846, 47200, 63520, 79400, 93692, 117115, 158800, 187384, 234230, 317600, 374768, 468460, 585575, 749536, 936920, 1171150, 1873840, 2342300, 3747680, 4684600, 9369200, 18738400]

約数ペア:

[(1, 18738400), (2, 9369200), (4, 4684600), (5, 3747680), (8, 2342300), (10, 1873840), (16, 1171150), (20, 936920), (25, 749536), (32, 585575), (40, 468460), (50, 374768), (59, 317600), (80, 234230), (100, 187384), (118, 158800), (160, 117115), (200, 93692), (236, 79400), (295, 63520), (397, 47200), (400, 46846), (472, 39700), (590, 31760), (794, 23600), (800, 23423), (944, 19850), (1180, 15880), (1475, 12704), (1588, 11800), (1888, 9925), (1985, 9440), (2360, 7940), (2950, 6352), (3176, 5900), (3970, 4720)]