19948930

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1531}}^1$

素因数の和:2841

約数の個数: 16

約数和(自身を含む): 35959104

約数和(自身を除く): 16010174

約数列:

[1, 2, 5, 10, 1303, 1531, 2606, 3062, 6515, 7655, 13030, 15310, 1994893, 3989786, 9974465, 19948930]

約数ペア:

[(1, 19948930), (2, 9974465), (5, 3989786), (10, 1994893), (1303, 15310), (1531, 13030), (2606, 7655), (3062, 6515)]