19171810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{683}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 39595392

約数和(自身を除く): 20423582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 683, 802, 1366, 2005, 2807, 3415, 4010, 4781, 5614, 6830, 9562, 14035, 23905, 28070, 47810, 273883, 547766, 1369415, 1917181, 2738830, 3834362, 9585905, 19171810]

約数ペア:

[(1, 19171810), (2, 9585905), (5, 3834362), (7, 2738830), (10, 1917181), (14, 1369415), (35, 547766), (70, 273883), (401, 47810), (683, 28070), (802, 23905), (1366, 14035), (2005, 9562), (2807, 6830), (3415, 5614), (4010, 4781)]