18766995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 32596032

約数和(自身を除く): 13829037

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 613, 785, 1839, 2041, 2355, 3065, 6123, 7969, 9195, 10205, 23907, 30615, 39845, 96241, 119535, 288723, 481205, 1251133, 1443615, 3753399, 6255665, 18766995]

約数ペア:

[(1, 18766995), (3, 6255665), (5, 3753399), (13, 1443615), (15, 1251133), (39, 481205), (65, 288723), (157, 119535), (195, 96241), (471, 39845), (613, 30615), (785, 23907), (1839, 10205), (2041, 9195), (2355, 7969), (3065, 6123)]