18922993

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 20980800

約数和(自身を除く): 2057807

約数列:

[1, 19, 29, 61, 551, 563, 1159, 1769, 10697, 16327, 33611, 34343, 310213, 652517, 995947, 18922993]

約数ペア:

[(1, 18922993), (19, 995947), (29, 652517), (61, 310213), (551, 34343), (563, 33611), (1159, 16327), (1769, 10697)]