18403929

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3851}}^1$

素因数の和:3922

約数の個数: 20

約数和(自身を含む): 27965520

約数和(自身を除く): 9561591

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3851, 4779, 11553, 34659, 103977, 227209, 311931, 681627, 2044881, 6134643, 18403929]

約数ペア:

[(1, 18403929), (3, 6134643), (9, 2044881), (27, 681627), (59, 311931), (81, 227209), (177, 103977), (531, 34659), (1593, 11553), (3851, 4779)]