19206260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56489}}^1$

素因数の和:56515

約数の個数: 24

約数和(自身を含む): 42706440

約数和(自身を除く): 23500180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56489, 112978, 225956, 282445, 564890, 960313, 1129780, 1920626, 3841252, 4801565, 9603130, 19206260]

約数ペア:

[(1, 19206260), (2, 9603130), (4, 4801565), (5, 3841252), (10, 1920626), (17, 1129780), (20, 960313), (34, 564890), (68, 282445), (85, 225956), (170, 112978), (340, 56489)]