18553203

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 28574208

約数和(自身を除く): 10021005

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1907, 3243, 5721, 9729, 17163, 43861, 89629, 131583, 268887, 394749, 806661, 2061467, 6184401, 18553203]

約数ペア:

[(1, 18553203), (3, 6184401), (9, 2061467), (23, 806661), (47, 394749), (69, 268887), (141, 131583), (207, 89629), (423, 43861), (1081, 17163), (1907, 9729), (3243, 5721)]