18186906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 22524774

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 61, 74, 79, 102, 111, 122, 158, 183, 222, 237, 366, 474, 629, 1037, 1258, 1343, 1887, 2074, 2257, 2686, 2923, 3111, 3774, 4029, 4514, 4819, 5846, 6222, 6771, 8058, 8769, 9638, 13542, 14457, 17538, 28914, 38369, 49691, 76738, 81923, 99382, 115107, 149073, 163846, 178303, 230214, 245769, 298146, 356606, 491538, 534909, 1069818, 3031151, 6062302, 9093453, 18186906]

約数ペア:

[(1, 18186906), (2, 9093453), (3, 6062302), (6, 3031151), (17, 1069818), (34, 534909), (37, 491538), (51, 356606), (61, 298146), (74, 245769), (79, 230214), (102, 178303), (111, 163846), (122, 149073), (158, 115107), (183, 99382), (222, 81923), (237, 76738), (366, 49691), (474, 38369), (629, 28914), (1037, 17538), (1258, 14457), (1343, 13542), (1887, 9638), (2074, 8769), (2257, 8058), (2686, 6771), (2923, 6222), (3111, 5846), (3774, 4819), (4029, 4514)]