18447309

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{463}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 28229760

約数和(自身を除く): 9782451

約数列:

[1, 3, 9, 19, 57, 171, 233, 463, 699, 1389, 2097, 4167, 4427, 8797, 13281, 26391, 39843, 79173, 107879, 323637, 970911, 2049701, 6149103, 18447309]

約数ペア:

[(1, 18447309), (3, 6149103), (9, 2049701), (19, 970911), (57, 323637), (171, 107879), (233, 79173), (463, 39843), (699, 26391), (1389, 13281), (2097, 8797), (4167, 4427)]