19002775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 26319744

約数和(自身を除く): 7316969

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1607, 2365, 8035, 11825, 17677, 40175, 69101, 88385, 345505, 441925, 760111, 1727525, 3800555, 19002775]

約数ペア:

[(1, 19002775), (5, 3800555), (11, 1727525), (25, 760111), (43, 441925), (55, 345505), (215, 88385), (275, 69101), (473, 40175), (1075, 17677), (1607, 11825), (2365, 8035)]