19757978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5431}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 31679424

約数和(自身を除く): 11921446

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5431, 10862, 92327, 184654, 581117, 1162234, 9878989, 19757978]

約数ペア:

[(1, 19757978), (2, 9878989), (17, 1162234), (34, 581117), (107, 184654), (214, 92327), (1819, 10862), (3638, 5431)]