18886250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 40

約数和(自身を含む): 36691380

約数和(自身を除く): 17805130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 521, 625, 725, 1042, 1250, 1450, 2605, 3625, 5210, 7250, 13025, 15109, 18125, 26050, 30218, 36250, 65125, 75545, 130250, 151090, 325625, 377725, 651250, 755450, 1888625, 3777250, 9443125, 18886250]

約数ペア:

[(1, 18886250), (2, 9443125), (5, 3777250), (10, 1888625), (25, 755450), (29, 651250), (50, 377725), (58, 325625), (125, 151090), (145, 130250), (250, 75545), (290, 65125), (521, 36250), (625, 30218), (725, 26050), (1042, 18125), (1250, 15109), (1450, 13025), (2605, 7250), (3625, 5210)]