19928034

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 49832640

約数和(自身を除く): 29904606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1451, 1526, 1962, 2289, 2902, 4353, 4578, 6867, 8706, 10157, 13059, 13734, 20314, 26118, 30471, 60942, 91413, 158159, 182826, 316318, 474477, 948954, 1107113, 1423431, 2214226, 2846862, 3321339, 6642678, 9964017, 19928034]

約数ペア:

[(1, 19928034), (2, 9964017), (3, 6642678), (6, 3321339), (7, 2846862), (9, 2214226), (14, 1423431), (18, 1107113), (21, 948954), (42, 474477), (63, 316318), (109, 182826), (126, 158159), (218, 91413), (327, 60942), (654, 30471), (763, 26118), (981, 20314), (1451, 13734), (1526, 13059), (1962, 10157), (2289, 8706), (2902, 6867), (4353, 4578)]