18966873

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 6837927

約数列:

[1, 3, 79, 191, 237, 419, 573, 1257, 15089, 33101, 45267, 80029, 99303, 240087, 6322291, 18966873]

約数ペア:

[(1, 18966873), (3, 6322291), (79, 240087), (191, 99303), (237, 80029), (419, 45267), (573, 33101), (1257, 15089)]