18945468

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 34276932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 29, 36, 46, 54, 58, 69, 87, 92, 108, 116, 138, 174, 207, 261, 263, 276, 348, 414, 522, 526, 621, 667, 783, 789, 828, 1044, 1052, 1242, 1334, 1566, 1578, 2001, 2367, 2484, 2668, 3132, 3156, 4002, 4734, 6003, 6049, 7101, 7627, 8004, 9468, 12006, 12098, 14202, 15254, 18009, 18147, 22881, 24012, 24196, 28404, 30508, 36018, 36294, 45762, 54441, 68643, 72036, 72588, 91524, 108882, 137286, 163323, 175421, 205929, 217764, 274572, 326646, 350842, 411858, 526263, 653292, 701684, 823716, 1052526, 1578789, 2105052, 3157578, 4736367, 6315156, 9472734, 18945468]

約数ペア:

[(1, 18945468), (2, 9472734), (3, 6315156), (4, 4736367), (6, 3157578), (9, 2105052), (12, 1578789), (18, 1052526), (23, 823716), (27, 701684), (29, 653292), (36, 526263), (46, 411858), (54, 350842), (58, 326646), (69, 274572), (87, 217764), (92, 205929), (108, 175421), (116, 163323), (138, 137286), (174, 108882), (207, 91524), (261, 72588), (263, 72036), (276, 68643), (348, 54441), (414, 45762), (522, 36294), (526, 36018), (621, 30508), (667, 28404), (783, 24196), (789, 24012), (828, 22881), (1044, 18147), (1052, 18009), (1242, 15254), (1334, 14202), (1566, 12098), (1578, 12006), (2001, 9468), (2367, 8004), (2484, 7627), (2668, 7101), (3132, 6049), (3156, 6003), (4002, 4734)]