19406247

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12659}}^1$

素因数の和:12742

約数の個数: 16

約数和(自身を含む): 29978880

約数和(自身を除く): 10572633

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12659, 37977, 88613, 265839, 924107, 2772321, 6468749, 19406247]

約数ペア:

[(1, 19406247), (3, 6468749), (7, 2772321), (21, 924107), (73, 265839), (219, 88613), (511, 37977), (1533, 12659)]