18622755

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 35493120

約数和(自身を除く): 16870365

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 947, 1035, 1311, 2185, 2841, 3933, 4735, 6555, 8523, 14205, 17993, 19665, 21781, 42615, 53979, 65343, 89965, 108905, 161937, 196029, 269895, 326715, 413839, 809685, 980145, 1241517, 2069195, 3724551, 6207585, 18622755]

約数ペア:

[(1, 18622755), (3, 6207585), (5, 3724551), (9, 2069195), (15, 1241517), (19, 980145), (23, 809685), (45, 413839), (57, 326715), (69, 269895), (95, 196029), (115, 161937), (171, 108905), (207, 89965), (285, 65343), (345, 53979), (437, 42615), (855, 21781), (947, 19665), (1035, 17993), (1311, 14205), (2185, 8523), (2841, 6555), (3933, 4735)]