18241750

素因数分解:

$2^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 34471008

約数和(自身を除く): 16229258

約数列:

[1, 2, 5, 10, 25, 50, 125, 131, 250, 262, 557, 655, 1114, 1310, 2785, 3275, 5570, 6550, 13925, 16375, 27850, 32750, 69625, 72967, 139250, 145934, 364835, 729670, 1824175, 3648350, 9120875, 18241750]

約数ペア:

[(1, 18241750), (2, 9120875), (5, 3648350), (10, 1824175), (25, 729670), (50, 364835), (125, 145934), (131, 139250), (250, 72967), (262, 69625), (557, 32750), (655, 27850), (1114, 16375), (1310, 13925), (2785, 6550), (3275, 5570)]