19156740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{319279}}^1$

素因数の和:319291

約数の個数: 24

約数和(自身を含む): 53639040

約数和(自身を除く): 34482300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 319279, 638558, 957837, 1277116, 1596395, 1915674, 3192790, 3831348, 4789185, 6385580, 9578370, 19156740]

約数ペア:

[(1, 19156740), (2, 9578370), (3, 6385580), (4, 4789185), (5, 3831348), (6, 3192790), (10, 1915674), (12, 1596395), (15, 1277116), (20, 957837), (30, 638558), (60, 319279)]