18945277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 21111552

約数和(自身を除く): 2166275

約数列:

[1, 13, 47, 101, 307, 611, 1313, 3991, 4747, 14429, 31007, 61711, 187577, 403091, 1457329, 18945277]

約数ペア:

[(1, 18945277), (13, 1457329), (47, 403091), (101, 187577), (307, 61711), (611, 31007), (1313, 14429), (3991, 4747)]