18637101

素因数分解:

$3^3\times 7^2\times {\mathrm{14087}}^1$

素因数の和:14110

約数の個数: 24

約数和(自身を含む): 32120640

約数和(自身を除く): 13483539

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14087, 42261, 98609, 126783, 295827, 380349, 690263, 887481, 2070789, 2662443, 6212367, 18637101]

約数ペア:

[(1, 18637101), (3, 6212367), (7, 2662443), (9, 2070789), (21, 887481), (27, 690263), (49, 380349), (63, 295827), (147, 126783), (189, 98609), (441, 42261), (1323, 14087)]