18397953

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12697}}^1$

素因数の和:12733

約数の個数: 24

約数和(自身を含む): 31694208

約数和(自身を除く): 13296255

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12697, 38091, 88879, 114273, 266637, 292031, 799911, 876093, 2044217, 2628279, 6132651, 18397953]

約数ペア:

[(1, 18397953), (3, 6132651), (7, 2628279), (9, 2044217), (21, 876093), (23, 799911), (63, 292031), (69, 266637), (161, 114273), (207, 88879), (483, 38091), (1449, 12697)]