19973316

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 31132284

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 337, 449, 674, 898, 1011, 1347, 1348, 1796, 2022, 2694, 3707, 4044, 4939, 5388, 7414, 9878, 11121, 14817, 14828, 19756, 22242, 29634, 44484, 59268, 151313, 302626, 453939, 605252, 907878, 1664443, 1815756, 3328886, 4993329, 6657772, 9986658, 19973316]

約数ペア:

[(1, 19973316), (2, 9986658), (3, 6657772), (4, 4993329), (6, 3328886), (11, 1815756), (12, 1664443), (22, 907878), (33, 605252), (44, 453939), (66, 302626), (132, 151313), (337, 59268), (449, 44484), (674, 29634), (898, 22242), (1011, 19756), (1347, 14828), (1348, 14817), (1796, 11121), (2022, 9878), (2694, 7414), (3707, 5388), (4044, 4939)]