18027905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 8825215

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 739, 1435, 3485, 3695, 4879, 5173, 12563, 24395, 25865, 30299, 62815, 87941, 151495, 212093, 439705, 515083, 1060465, 2575415, 3605581, 18027905]

約数ペア:

[(1, 18027905), (5, 3605581), (7, 2575415), (17, 1060465), (35, 515083), (41, 439705), (85, 212093), (119, 151495), (205, 87941), (287, 62815), (595, 30299), (697, 25865), (739, 24395), (1435, 12563), (3485, 5173), (3695, 4879)]