18901322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3343}}^1$

素因数の和:3613

約数の個数: 16

約数和(自身を含む): 31059072

約数和(自身を除く): 12157750

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3343, 5654, 6686, 36773, 73546, 859151, 1718302, 9450661, 18901322]

約数ペア:

[(1, 18901322), (2, 9450661), (11, 1718302), (22, 859151), (257, 73546), (514, 36773), (2827, 6686), (3343, 5654)]