18810753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7907}}^1$

素因数の和:7984

約数の個数: 16

約数和(自身を含む): 27456576

約数和(自身を除く): 8645823

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 7907, 23721, 102791, 308373, 482327, 1446981, 6270251, 18810753]

約数ペア:

[(1, 18810753), (3, 6270251), (13, 1446981), (39, 482327), (61, 308373), (183, 102791), (793, 23721), (2379, 7907)]