19428561

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 29222336

約数和(自身を除く): 9793775

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 823, 2469, 2623, 7407, 7869, 23607, 35389, 50203, 106167, 150609, 318501, 451827, 2158729, 6476187, 19428561]

約数ペア:

[(1, 19428561), (3, 6476187), (9, 2158729), (43, 451827), (61, 318501), (129, 150609), (183, 106167), (387, 50203), (549, 35389), (823, 23607), (2469, 7869), (2623, 7407)]