19001620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86371}}^1$

素因数の和:86391

約数の個数: 24

約数和(自身を含む): 43531488

約数和(自身を除く): 24529868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86371, 172742, 345484, 431855, 863710, 950081, 1727420, 1900162, 3800324, 4750405, 9500810, 19001620]

約数ペア:

[(1, 19001620), (2, 9500810), (4, 4750405), (5, 3800324), (10, 1900162), (11, 1727420), (20, 950081), (22, 863710), (44, 431855), (55, 345484), (110, 172742), (220, 86371)]