18059721

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 26248320

約数和(自身を除く): 8188599

約数列:

[1, 3, 29, 41, 61, 83, 87, 123, 183, 249, 1189, 1769, 2407, 2501, 3403, 3567, 5063, 5307, 7221, 7503, 10209, 15189, 72529, 98687, 146827, 207583, 217587, 296061, 440481, 622749, 6019907, 18059721]

約数ペア:

[(1, 18059721), (3, 6019907), (29, 622749), (41, 440481), (61, 296061), (83, 217587), (87, 207583), (123, 146827), (183, 98687), (249, 72529), (1189, 15189), (1769, 10209), (2407, 7503), (2501, 7221), (3403, 5307), (3567, 5063)]