18690238

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25189}}^1$

素因数の和:25251

約数の個数: 16

約数和(自身を含む): 32646240

約数和(自身を除く): 13956002

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 25189, 50378, 176323, 352646, 1335017, 2670034, 9345119, 18690238]

約数ペア:

[(1, 18690238), (2, 9345119), (7, 2670034), (14, 1335017), (53, 352646), (106, 176323), (371, 50378), (742, 25189)]