18722275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5237}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 27279504

約数和(自身を除く): 8557229

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5237, 26185, 57607, 68081, 130925, 288035, 340405, 748891, 1440175, 1702025, 3744455, 18722275]

約数ペア:

[(1, 18722275), (5, 3744455), (11, 1702025), (13, 1440175), (25, 748891), (55, 340405), (65, 288035), (143, 130925), (275, 68081), (325, 57607), (715, 26185), (3575, 5237)]