18770205

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12149}}^1$

素因数の和:12260

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 11556195

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 12149, 36447, 60745, 182235, 1251347, 3754041, 6256735, 18770205]

約数ペア:

[(1, 18770205), (3, 6256735), (5, 3754041), (15, 1251347), (103, 182235), (309, 60745), (515, 36447), (1545, 12149)]