18933327

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{757}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 31375136

約数和(自身を除く): 12441809

約数列:

[1, 3, 7, 9, 21, 63, 397, 757, 1191, 2271, 2779, 3573, 5299, 6813, 8337, 15897, 25011, 47691, 300529, 901587, 2103703, 2704761, 6311109, 18933327]

約数ペア:

[(1, 18933327), (3, 6311109), (7, 2704761), (9, 2103703), (21, 901587), (63, 300529), (397, 47691), (757, 25011), (1191, 15897), (2271, 8337), (2779, 6813), (3573, 5299)]