18909142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 34663680

約数和(自身を除く): 15754538

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1061, 1273, 2122, 2546, 7427, 8911, 14854, 17822, 20159, 40318, 71087, 141113, 142174, 282226, 497609, 995218, 1350653, 2701306, 9454571, 18909142]

約数ペア:

[(1, 18909142), (2, 9454571), (7, 2701306), (14, 1350653), (19, 995218), (38, 497609), (67, 282226), (133, 142174), (134, 141113), (266, 71087), (469, 40318), (938, 20159), (1061, 17822), (1273, 14854), (2122, 8911), (2546, 7427)]