18796407

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 31168512

約数和(自身を除く): 12372105

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1423, 1887, 4269, 4403, 9961, 13209, 24191, 29883, 52651, 72573, 157953, 169337, 368557, 508011, 895067, 1105671, 2685201, 6265469, 18796407]

約数ペア:

[(1, 18796407), (3, 6265469), (7, 2685201), (17, 1105671), (21, 895067), (37, 508011), (51, 368557), (111, 169337), (119, 157953), (259, 72573), (357, 52651), (629, 29883), (777, 24191), (1423, 13209), (1887, 9961), (4269, 4403)]