18319472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1505

約数の個数: 40

約数和(自身を含む): 38408256

約数和(自身を除く): 20088784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1433, 1598, 2866, 3196, 5732, 6392, 11464, 12784, 22928, 24361, 48722, 67351, 97444, 134702, 194888, 269404, 389776, 538808, 1077616, 1144967, 2289934, 4579868, 9159736, 18319472]

約数ペア:

[(1, 18319472), (2, 9159736), (4, 4579868), (8, 2289934), (16, 1144967), (17, 1077616), (34, 538808), (47, 389776), (68, 269404), (94, 194888), (136, 134702), (188, 97444), (272, 67351), (376, 48722), (752, 24361), (799, 22928), (1433, 12784), (1598, 11464), (2866, 6392), (3196, 5732)]