20191946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 33566400

約数和(自身を除く): 13374454

約数列:

[1, 2, 19, 29, 38, 58, 73, 146, 251, 502, 551, 1102, 1387, 2117, 2774, 4234, 4769, 7279, 9538, 14558, 18323, 36646, 40223, 80446, 138301, 276602, 348137, 531367, 696274, 1062734, 10095973, 20191946]

約数ペア:

[(1, 20191946), (2, 10095973), (19, 1062734), (29, 696274), (38, 531367), (58, 348137), (73, 276602), (146, 138301), (251, 80446), (502, 40223), (551, 36646), (1102, 18323), (1387, 14558), (2117, 9538), (2774, 7279), (4234, 4769)]