19137742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15661}}^1$

素因数の和:15723

約数の個数: 16

約数和(自身を含む): 31574592

約数和(自身を除く): 12436850

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15661, 31322, 203593, 407186, 736067, 1472134, 9568871, 19137742]

約数ペア:

[(1, 19137742), (2, 9568871), (13, 1472134), (26, 736067), (47, 407186), (94, 203593), (611, 31322), (1222, 15661)]