18561276

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 50712480

約数和(自身を除く): 32151204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 773, 828, 1044, 1334, 1546, 2001, 2319, 2668, 3092, 4002, 4638, 6003, 6957, 8004, 9276, 12006, 13914, 17779, 22417, 24012, 27828, 35558, 44834, 53337, 67251, 71116, 89668, 106674, 134502, 160011, 201753, 213348, 269004, 320022, 403506, 515591, 640044, 807012, 1031182, 1546773, 2062364, 3093546, 4640319, 6187092, 9280638, 18561276]

約数ペア:

[(1, 18561276), (2, 9280638), (3, 6187092), (4, 4640319), (6, 3093546), (9, 2062364), (12, 1546773), (18, 1031182), (23, 807012), (29, 640044), (36, 515591), (46, 403506), (58, 320022), (69, 269004), (87, 213348), (92, 201753), (116, 160011), (138, 134502), (174, 106674), (207, 89668), (261, 71116), (276, 67251), (348, 53337), (414, 44834), (522, 35558), (667, 27828), (773, 24012), (828, 22417), (1044, 17779), (1334, 13914), (1546, 12006), (2001, 9276), (2319, 8004), (2668, 6957), (3092, 6003), (4002, 4638)]