18230125

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 24261120

約数和(自身を除く): 6030995

約数列:

[1, 5, 25, 29, 47, 107, 125, 145, 235, 535, 725, 1175, 1363, 2675, 3103, 3625, 5029, 5875, 6815, 13375, 15515, 25145, 34075, 77575, 125725, 145841, 170375, 387875, 628625, 729205, 3646025, 18230125]

約数ペア:

[(1, 18230125), (5, 3646025), (25, 729205), (29, 628625), (47, 387875), (107, 170375), (125, 145841), (145, 125725), (235, 77575), (535, 34075), (725, 25145), (1175, 15515), (1363, 13375), (2675, 6815), (3103, 5875), (3625, 5029)]