18992463

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1979}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 29018880

約数和(自身を除く): 10026417

約数列:

[1, 3, 7, 21, 457, 1371, 1979, 3199, 5937, 9597, 13853, 41559, 904403, 2713209, 6330821, 18992463]

約数ペア:

[(1, 18992463), (3, 6330821), (7, 2713209), (21, 904403), (457, 41559), (1371, 13853), (1979, 9597), (3199, 5937)]