18571994

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 33543936

約数和(自身を除く): 14971942

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 421, 842, 959, 1918, 2947, 3151, 5894, 6302, 9683, 19366, 22057, 44114, 57677, 67781, 115354, 135562, 403739, 807478, 1326571, 2653142, 9285997, 18571994]

約数ペア:

[(1, 18571994), (2, 9285997), (7, 2653142), (14, 1326571), (23, 807478), (46, 403739), (137, 135562), (161, 115354), (274, 67781), (322, 57677), (421, 44114), (842, 22057), (959, 19366), (1918, 9683), (2947, 6302), (3151, 5894)]