18137637

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4297}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 30395456

約数和(自身を除く): 12257819

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4297, 12891, 30079, 38673, 90237, 270711, 287899, 863697, 2015293, 2591091, 6045879, 18137637]

約数ペア:

[(1, 18137637), (3, 6045879), (7, 2591091), (9, 2015293), (21, 863697), (63, 287899), (67, 270711), (201, 90237), (469, 38673), (603, 30079), (1407, 12891), (4221, 4297)]