19795690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68261}}^1$

素因数の和:68297

約数の個数: 16

約数和(自身を含む): 36861480

約数和(自身を除く): 17065790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68261, 136522, 341305, 682610, 1979569, 3959138, 9897845, 19795690]

約数ペア:

[(1, 19795690), (2, 9897845), (5, 3959138), (10, 1979569), (29, 682610), (58, 341305), (145, 136522), (290, 68261)]