18899307

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13043}}^1$

素因数の和:13079

約数の個数: 24

約数和(自身を含む): 32557824

約数和(自身を除く): 13658517

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13043, 39129, 91301, 117387, 273903, 299989, 821709, 899967, 2099923, 2699901, 6299769, 18899307]

約数ペア:

[(1, 18899307), (3, 6299769), (7, 2699901), (9, 2099923), (21, 899967), (23, 821709), (63, 299989), (69, 273903), (161, 117387), (207, 91301), (483, 39129), (1449, 13043)]