19777970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116341}}^1$

素因数の和:116365

約数の個数: 16

約数和(自身を含む): 37694808

約数和(自身を除く): 17916838

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116341, 232682, 581705, 1163410, 1977797, 3955594, 9888985, 19777970]

約数ペア:

[(1, 19777970), (2, 9888985), (5, 3955594), (10, 1977797), (17, 1163410), (34, 581705), (85, 232682), (170, 116341)]