19774485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25849}}^1$

素因数の和:25877

約数の個数: 24

約数和(自身を含む): 36293400

約数和(自身を除く): 16518915

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25849, 77547, 129245, 232641, 387735, 439433, 1163205, 1318299, 2197165, 3954897, 6591495, 19774485]

約数ペア:

[(1, 19774485), (3, 6591495), (5, 3954897), (9, 2197165), (15, 1318299), (17, 1163205), (45, 439433), (51, 387735), (85, 232641), (153, 129245), (255, 77547), (765, 25849)]