19501540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8629}}^1$

素因数の和:8751

約数の個数: 24

約数和(自身を含む): 41320440

約数和(自身を除く): 21818900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8629, 17258, 34516, 43145, 86290, 172580, 975077, 1950154, 3900308, 4875385, 9750770, 19501540]

約数ペア:

[(1, 19501540), (2, 9750770), (4, 4875385), (5, 3900308), (10, 1950154), (20, 975077), (113, 172580), (226, 86290), (452, 43145), (565, 34516), (1130, 17258), (2260, 8629)]