18895401

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5659}}^1$

素因数の和:5725

約数の個数: 24

約数和(自身を含む): 31786560

約数和(自身を除く): 12891159

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5659, 16977, 39613, 50931, 118839, 299927, 356517, 899781, 2099489, 2699343, 6298467, 18895401]

約数ペア:

[(1, 18895401), (3, 6298467), (7, 2699343), (9, 2099489), (21, 899781), (53, 356517), (63, 299927), (159, 118839), (371, 50931), (477, 39613), (1113, 16977), (3339, 5659)]