19577733

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 31718400

約数和(自身を除く): 12140667

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 353, 399, 417, 973, 1059, 2471, 2641, 2919, 6707, 7413, 7923, 18487, 20121, 46949, 49067, 55461, 140847, 147201, 343469, 932273, 1030407, 2796819, 6525911, 19577733]

約数ペア:

[(1, 19577733), (3, 6525911), (7, 2796819), (19, 1030407), (21, 932273), (57, 343469), (133, 147201), (139, 140847), (353, 55461), (399, 49067), (417, 46949), (973, 20121), (1059, 18487), (2471, 7923), (2641, 7413), (2919, 6707)]