18865497

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 11455143

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 281, 417, 483, 843, 973, 1967, 2919, 3197, 5901, 6463, 9591, 19389, 22379, 39059, 45241, 67137, 117177, 135723, 273413, 820239, 898357, 2695071, 6288499, 18865497]

約数ペア:

[(1, 18865497), (3, 6288499), (7, 2695071), (21, 898357), (23, 820239), (69, 273413), (139, 135723), (161, 117177), (281, 67137), (417, 45241), (483, 39059), (843, 22379), (973, 19389), (1967, 9591), (2919, 6463), (3197, 5901)]