19983495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 36997632

約数和(自身を除く): 17014137

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2293, 2905, 6879, 8715, 11465, 16051, 34395, 48153, 80255, 190319, 240765, 570957, 951595, 1332233, 2854785, 3996699, 6661165, 19983495]

約数ペア:

[(1, 19983495), (3, 6661165), (5, 3996699), (7, 2854785), (15, 1332233), (21, 951595), (35, 570957), (83, 240765), (105, 190319), (249, 80255), (415, 48153), (581, 34395), (1245, 16051), (1743, 11465), (2293, 8715), (2905, 6879)]