18958905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 18955335

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 433, 695, 973, 1251, 1299, 2085, 2165, 2919, 3031, 3897, 4865, 6255, 6495, 8757, 9093, 14595, 15155, 19485, 27279, 43785, 45465, 60187, 136395, 180561, 300935, 421309, 541683, 902805, 1263927, 2106545, 2708415, 3791781, 6319635, 18958905]

約数ペア:

[(1, 18958905), (3, 6319635), (5, 3791781), (7, 2708415), (9, 2106545), (15, 1263927), (21, 902805), (35, 541683), (45, 421309), (63, 300935), (105, 180561), (139, 136395), (315, 60187), (417, 45465), (433, 43785), (695, 27279), (973, 19485), (1251, 15155), (1299, 14595), (2085, 9093), (2165, 8757), (2919, 6495), (3031, 6255), (3897, 4865)]