18912518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4679}}^1$

素因数の和:4771

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 10739962

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4679, 9358, 201197, 219913, 402394, 439826, 9456259, 18912518]

約数ペア:

[(1, 18912518), (2, 9456259), (43, 439826), (47, 402394), (86, 219913), (94, 201197), (2021, 9358), (4042, 4679)]