18668494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15277}}^1$

素因数の和:15339

約数の個数: 16

約数和(自身を含む): 30800448

約数和(自身を除く): 12131954

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15277, 30554, 198601, 397202, 718019, 1436038, 9334247, 18668494]

約数ペア:

[(1, 18668494), (2, 9334247), (13, 1436038), (26, 718019), (47, 397202), (94, 198601), (611, 30554), (1222, 15277)]