19785766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9883}}^1$

素因数の和:9916

約数の個数: 32

約数和(自身を含む): 39852288

約数和(自身を除く): 20066522

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9883, 19766, 69181, 108713, 128479, 138362, 217426, 256958, 760991, 899353, 1413269, 1521982, 1798706, 2826538, 9892883, 19785766]

約数ペア:

[(1, 19785766), (2, 9892883), (7, 2826538), (11, 1798706), (13, 1521982), (14, 1413269), (22, 899353), (26, 760991), (77, 256958), (91, 217426), (143, 138362), (154, 128479), (182, 108713), (286, 69181), (1001, 19766), (2002, 9883)]