19538494

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2087}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 30468096

約数和(自身を除く): 10929602

約数列:

[1, 2, 31, 62, 151, 302, 2087, 4174, 4681, 9362, 64697, 129394, 315137, 630274, 9769247, 19538494]

約数ペア:

[(1, 19538494), (2, 9769247), (31, 630274), (62, 315137), (151, 129394), (302, 64697), (2087, 9362), (4174, 4681)]