18660636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 50878464

約数和(自身を除く): 32217828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 727, 828, 1116, 1426, 1454, 2139, 2181, 2852, 2908, 4278, 4362, 6417, 6543, 8556, 8724, 12834, 13086, 16721, 22537, 25668, 26172, 33442, 45074, 50163, 66884, 67611, 90148, 100326, 135222, 150489, 200652, 202833, 270444, 300978, 405666, 518351, 601956, 811332, 1036702, 1555053, 2073404, 3110106, 4665159, 6220212, 9330318, 18660636]

約数ペア:

[(1, 18660636), (2, 9330318), (3, 6220212), (4, 4665159), (6, 3110106), (9, 2073404), (12, 1555053), (18, 1036702), (23, 811332), (31, 601956), (36, 518351), (46, 405666), (62, 300978), (69, 270444), (92, 202833), (93, 200652), (124, 150489), (138, 135222), (186, 100326), (207, 90148), (276, 67611), (279, 66884), (372, 50163), (414, 45074), (558, 33442), (713, 26172), (727, 25668), (828, 22537), (1116, 16721), (1426, 13086), (1454, 12834), (2139, 8724), (2181, 8556), (2852, 6543), (2908, 6417), (4278, 4362)]