19855198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31121}}^1$

素因数の和:31163

約数の個数: 16

約数和(自身を含む): 33611760

約数和(自身を除く): 13756562

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31121, 62242, 342331, 684662, 902509, 1805018, 9927599, 19855198]

約数ペア:

[(1, 19855198), (2, 9927599), (11, 1805018), (22, 902509), (29, 684662), (58, 342331), (319, 62242), (638, 31121)]