19775938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 36763776

約数和(自身を除く): 16987838

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 193, 386, 563, 1126, 1351, 2509, 2702, 3941, 5018, 7319, 7882, 14638, 17563, 35126, 51233, 102466, 108659, 217318, 760613, 1412567, 1521226, 2825134, 9887969, 19775938]

約数ペア:

[(1, 19775938), (2, 9887969), (7, 2825134), (13, 1521226), (14, 1412567), (26, 760613), (91, 217318), (182, 108659), (193, 102466), (386, 51233), (563, 35126), (1126, 17563), (1351, 14638), (2509, 7882), (2702, 7319), (3941, 5018)]