18406808

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24171112

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 461, 644, 713, 868, 922, 1288, 1426, 1736, 1844, 2852, 3227, 3688, 4991, 5704, 6454, 9982, 10603, 12908, 14291, 19964, 21206, 25816, 28582, 39928, 42412, 57164, 74221, 84824, 100037, 114328, 148442, 200074, 296884, 328693, 400148, 593768, 657386, 800296, 1314772, 2300851, 2629544, 4601702, 9203404, 18406808]

約数ペア:

[(1, 18406808), (2, 9203404), (4, 4601702), (7, 2629544), (8, 2300851), (14, 1314772), (23, 800296), (28, 657386), (31, 593768), (46, 400148), (56, 328693), (62, 296884), (92, 200074), (124, 148442), (161, 114328), (184, 100037), (217, 84824), (248, 74221), (322, 57164), (434, 42412), (461, 39928), (644, 28582), (713, 25816), (868, 21206), (922, 19964), (1288, 14291), (1426, 12908), (1736, 10603), (1844, 9982), (2852, 6454), (3227, 5704), (3688, 4991)]