18399605

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4013}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 25432704

約数和(自身を除く): 7033099

約数列:

[1, 5, 7, 35, 131, 655, 917, 4013, 4585, 20065, 28091, 140455, 525703, 2628515, 3679921, 18399605]

約数ペア:

[(1, 18399605), (5, 3679921), (7, 2628515), (35, 525703), (131, 140455), (655, 28091), (917, 20065), (4013, 4585)]