18229455

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 36241920

約数和(自身を除く): 18012465

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 81, 95, 103, 115, 135, 171, 207, 285, 309, 345, 405, 437, 513, 515, 621, 855, 927, 1035, 1311, 1539, 1545, 1863, 1957, 2185, 2369, 2565, 2781, 3105, 3933, 4635, 5871, 6555, 7107, 7695, 8343, 9315, 9785, 11799, 11845, 13905, 17613, 19665, 21321, 29355, 35397, 35535, 41715, 45011, 52839, 58995, 63963, 88065, 106605, 135033, 158517, 176985, 191889, 225055, 264195, 319815, 405099, 675165, 792585, 959445, 1215297, 2025495, 3645891, 6076485, 18229455]

約数ペア:

[(1, 18229455), (3, 6076485), (5, 3645891), (9, 2025495), (15, 1215297), (19, 959445), (23, 792585), (27, 675165), (45, 405099), (57, 319815), (69, 264195), (81, 225055), (95, 191889), (103, 176985), (115, 158517), (135, 135033), (171, 106605), (207, 88065), (285, 63963), (309, 58995), (345, 52839), (405, 45011), (437, 41715), (513, 35535), (515, 35397), (621, 29355), (855, 21321), (927, 19665), (1035, 17613), (1311, 13905), (1539, 11845), (1545, 11799), (1863, 9785), (1957, 9315), (2185, 8343), (2369, 7695), (2565, 7107), (2781, 6555), (3105, 5871), (3933, 4635)]