18874672

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1423}}^1$

素因数の和:2260

約数の個数: 20

約数和(自身を含む): 36639520

約数和(自身を除く): 17764848

約数列:

[1, 2, 4, 8, 16, 829, 1423, 1658, 2846, 3316, 5692, 6632, 11384, 13264, 22768, 1179667, 2359334, 4718668, 9437336, 18874672]

約数ペア:

[(1, 18874672), (2, 9437336), (4, 4718668), (8, 2359334), (16, 1179667), (829, 22768), (1423, 13264), (1658, 11384), (2846, 6632), (3316, 5692)]