18902470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111191}}^1$

素因数の和:111215

約数の個数: 16

約数和(自身を含む): 36026208

約数和(自身を除く): 17123738

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111191, 222382, 555955, 1111910, 1890247, 3780494, 9451235, 18902470]

約数ペア:

[(1, 18902470), (2, 9451235), (5, 3780494), (10, 1890247), (17, 1111910), (34, 555955), (85, 222382), (170, 111191)]