18856649

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 3615031

約数列:

[1, 7, 31, 113, 217, 769, 791, 3503, 5383, 23839, 24521, 86897, 166873, 608279, 2693807, 18856649]

約数ペア:

[(1, 18856649), (7, 2693807), (31, 608279), (113, 166873), (217, 86897), (769, 24521), (791, 23839), (3503, 5383)]