19563481

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 23984640

約数和(自身を除く): 4421159

約数列:

[1, 7, 17, 79, 119, 553, 1343, 2081, 9401, 14567, 35377, 164399, 247639, 1150793, 2794783, 19563481]

約数ペア:

[(1, 19563481), (7, 2794783), (17, 1150793), (79, 247639), (119, 164399), (553, 35377), (1343, 14567), (2081, 9401)]