18789854

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2473}}^1$

素因数の和:2635

約数の個数: 16

約数和(自身を含む): 29391120

約数和(自身を除く): 10601266

約数列:

[1, 2, 29, 58, 131, 262, 2473, 3799, 4946, 7598, 71717, 143434, 323963, 647926, 9394927, 18789854]

約数ペア:

[(1, 18789854), (2, 9394927), (29, 647926), (58, 323963), (131, 143434), (262, 71717), (2473, 7598), (3799, 4946)]