18597980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15761}}^1$

素因数の和:15829

約数の個数: 24

約数和(自身を含む): 39720240

約数和(自身を除く): 21122260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 15761, 31522, 63044, 78805, 157610, 315220, 929899, 1859798, 3719596, 4649495, 9298990, 18597980]

約数ペア:

[(1, 18597980), (2, 9298990), (4, 4649495), (5, 3719596), (10, 1859798), (20, 929899), (59, 315220), (118, 157610), (236, 78805), (295, 63044), (590, 31522), (1180, 15761)]