18281367

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 30209088

約数和(自身を除く): 11927721

約数列:

[1, 3, 9, 13, 37, 39, 41, 103, 111, 117, 123, 309, 333, 369, 481, 533, 927, 1339, 1443, 1517, 1599, 3811, 4017, 4223, 4329, 4551, 4797, 11433, 12051, 12669, 13653, 19721, 34299, 38007, 49543, 54899, 59163, 148629, 156251, 164697, 177489, 445887, 468753, 494091, 1406259, 2031263, 6093789, 18281367]

約数ペア:

[(1, 18281367), (3, 6093789), (9, 2031263), (13, 1406259), (37, 494091), (39, 468753), (41, 445887), (103, 177489), (111, 164697), (117, 156251), (123, 148629), (309, 59163), (333, 54899), (369, 49543), (481, 38007), (533, 34299), (927, 19721), (1339, 13653), (1443, 12669), (1517, 12051), (1599, 11433), (3811, 4797), (4017, 4551), (4223, 4329)]