17889993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 28394496

約数和(自身を除く): 10504503

約数列:

[1, 3, 9, 11, 33, 99, 157, 471, 1151, 1413, 1727, 3453, 5181, 10359, 12661, 15543, 37983, 113949, 180707, 542121, 1626363, 1987777, 5963331, 17889993]

約数ペア:

[(1, 17889993), (3, 5963331), (9, 1987777), (11, 1626363), (33, 542121), (99, 180707), (157, 113949), (471, 37983), (1151, 15543), (1413, 12661), (1727, 10359), (3453, 5181)]