19719260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89633}}^1$

素因数の和:89653

約数の個数: 24

約数和(自身を含む): 45175536

約数和(自身を除く): 25456276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89633, 179266, 358532, 448165, 896330, 985963, 1792660, 1971926, 3943852, 4929815, 9859630, 19719260]

約数ペア:

[(1, 19719260), (2, 9859630), (4, 4929815), (5, 3943852), (10, 1971926), (11, 1792660), (20, 985963), (22, 896330), (44, 448165), (55, 358532), (110, 179266), (220, 89633)]