18308367

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15836913

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 911, 957, 1827, 2233, 2733, 2871, 6377, 6699, 8199, 10021, 19131, 20097, 26419, 30063, 57393, 70147, 79257, 90189, 184933, 210441, 237771, 290609, 554799, 631323, 871827, 1664397, 2034263, 2615481, 6102789, 18308367]

約数ペア:

[(1, 18308367), (3, 6102789), (7, 2615481), (9, 2034263), (11, 1664397), (21, 871827), (29, 631323), (33, 554799), (63, 290609), (77, 237771), (87, 210441), (99, 184933), (203, 90189), (231, 79257), (261, 70147), (319, 57393), (609, 30063), (693, 26419), (911, 20097), (957, 19131), (1827, 10021), (2233, 8199), (2733, 6699), (2871, 6377)]