18205011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 31505760

約数和(自身を除く): 13300749

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 153, 187, 261, 319, 373, 493, 561, 957, 1119, 1479, 1683, 2871, 3357, 4103, 4437, 5423, 6341, 10817, 12309, 16269, 19023, 32451, 36927, 48807, 57069, 69751, 97353, 118987, 183889, 209253, 356961, 551667, 627759, 1070883, 1655001, 2022779, 6068337, 18205011]

約数ペア:

[(1, 18205011), (3, 6068337), (9, 2022779), (11, 1655001), (17, 1070883), (29, 627759), (33, 551667), (51, 356961), (87, 209253), (99, 183889), (153, 118987), (187, 97353), (261, 69751), (319, 57069), (373, 48807), (493, 36927), (561, 32451), (957, 19023), (1119, 16269), (1479, 12309), (1683, 10817), (2871, 6341), (3357, 5423), (4103, 4437)]