18950001

素因数分解:

$3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2273}}^1$

素因数の和:2680

約数の個数: 16

約数和(自身を含む): 28961664

約数和(自身を除く): 10011663

約数列:

[1, 3, 7, 21, 397, 1191, 2273, 2779, 6819, 8337, 15911, 47733, 902381, 2707143, 6316667, 18950001]

約数ペア:

[(1, 18950001), (3, 6316667), (7, 2707143), (21, 902381), (397, 47733), (1191, 15911), (2273, 8337), (2779, 6819)]