18125205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3257}}^1$

素因数の和:3325

約数の個数: 32

約数和(自身を含む): 33778944

約数和(自身を除く): 15653739

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3257, 5565, 9771, 16285, 22799, 48855, 68397, 113995, 172621, 341985, 517863, 863105, 1208347, 2589315, 3625041, 6041735, 18125205]

約数ペア:

[(1, 18125205), (3, 6041735), (5, 3625041), (7, 2589315), (15, 1208347), (21, 863105), (35, 517863), (53, 341985), (105, 172621), (159, 113995), (265, 68397), (371, 48855), (795, 22799), (1113, 16285), (1855, 9771), (3257, 5565)]