18975759

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1087}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 28879872

約数和(自身を除く): 9904113

約数列:

[1, 3, 11, 23, 33, 69, 253, 529, 759, 1087, 1587, 3261, 5819, 11957, 17457, 25001, 35871, 75003, 275011, 575023, 825033, 1725069, 6325253, 18975759]

約数ペア:

[(1, 18975759), (3, 6325253), (11, 1725069), (23, 825033), (33, 575023), (69, 275011), (253, 75003), (529, 35871), (759, 25001), (1087, 17457), (1587, 11957), (3261, 5819)]