18896478

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 20847522

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149, 298, 447, 894, 919, 1838, 2757, 3427, 5514, 6854, 10281, 20562, 21137, 42274, 63411, 126822, 136931, 273862, 410793, 821586, 3149413, 6298826, 9448239, 18896478]

約数ペア:

[(1, 18896478), (2, 9448239), (3, 6298826), (6, 3149413), (23, 821586), (46, 410793), (69, 273862), (138, 136931), (149, 126822), (298, 63411), (447, 42274), (894, 21137), (919, 20562), (1838, 10281), (2757, 6854), (3427, 5514)]