18663465

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 13187031

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1151, 3243, 3453, 5405, 5755, 16215, 17265, 26473, 54097, 79419, 132365, 162291, 270485, 397095, 811455, 1244231, 3732693, 6221155, 18663465]

約数ペア:

[(1, 18663465), (3, 6221155), (5, 3732693), (15, 1244231), (23, 811455), (47, 397095), (69, 270485), (115, 162291), (141, 132365), (235, 79419), (345, 54097), (705, 26473), (1081, 17265), (1151, 16215), (3243, 5755), (3453, 5405)]