18375778

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 9928862

約数列:

[1, 2, 47, 94, 233, 466, 839, 1678, 10951, 21902, 39433, 78866, 195487, 390974, 9187889, 18375778]

約数ペア:

[(1, 18375778), (2, 9187889), (47, 390974), (94, 195487), (233, 78866), (466, 39433), (839, 21902), (1678, 10951)]