18189496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 39261600

約数和(自身を除く): 21072104

約数列:

[1, 2, 4, 8, 13, 26, 29, 37, 52, 58, 74, 104, 116, 148, 163, 232, 296, 326, 377, 481, 652, 754, 962, 1073, 1304, 1508, 1924, 2119, 2146, 3016, 3848, 4238, 4292, 4727, 6031, 8476, 8584, 9454, 12062, 13949, 16952, 18908, 24124, 27898, 37816, 48248, 55796, 61451, 78403, 111592, 122902, 156806, 174899, 245804, 313612, 349798, 491608, 627224, 699596, 1399192, 2273687, 4547374, 9094748, 18189496]

約数ペア:

[(1, 18189496), (2, 9094748), (4, 4547374), (8, 2273687), (13, 1399192), (26, 699596), (29, 627224), (37, 491608), (52, 349798), (58, 313612), (74, 245804), (104, 174899), (116, 156806), (148, 122902), (163, 111592), (232, 78403), (296, 61451), (326, 55796), (377, 48248), (481, 37816), (652, 27898), (754, 24124), (962, 18908), (1073, 16952), (1304, 13949), (1508, 12062), (1924, 9454), (2119, 8584), (2146, 8476), (3016, 6031), (3848, 4727), (4238, 4292)]