19530242

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 10346878

約数列:

[1, 2, 103, 113, 206, 226, 839, 1678, 11639, 23278, 86417, 94807, 172834, 189614, 9765121, 19530242]

約数ペア:

[(1, 19530242), (2, 9765121), (103, 189614), (113, 172834), (206, 94807), (226, 86417), (839, 23278), (1678, 11639)]