19385886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{248537}}^1$

素因数の和:248555

約数の個数: 16

約数和(自身を含む): 41754384

約数和(自身を除く): 22368498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 248537, 497074, 745611, 1491222, 3230981, 6461962, 9692943, 19385886]

約数ペア:

[(1, 19385886), (2, 9692943), (3, 6461962), (6, 3230981), (13, 1491222), (26, 745611), (39, 497074), (78, 248537)]