19505690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67261}}^1$

素因数の和:67297

約数の個数: 16

約数和(自身を含む): 36321480

約数和(自身を除く): 16815790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67261, 134522, 336305, 672610, 1950569, 3901138, 9752845, 19505690]

約数ペア:

[(1, 19505690), (2, 9752845), (5, 3901138), (10, 1950569), (29, 672610), (58, 336305), (145, 134522), (290, 67261)]