19620804903

素因数分解:

$3^1\times 7^1\times {\mathrm{1453}}^1\times {\mathrm{643031}}^1$

素因数の和:644494

約数の個数: 16

約数和(自身を含む): 29918992896

約数和(自身を除く): 10298187993

約数列:

[1, 3, 7, 21, 1453, 4359, 10171, 30513, 643031, 1929093, 4501217, 13503651, 934324043, 2802972129, 6540268301, 19620804903]

約数ペア:

[(1, 19620804903), (3, 6540268301), (7, 2802972129), (21, 934324043), (1453, 13503651), (4359, 4501217), (10171, 1929093), (30513, 643031)]