1890988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3907}}^1$

素因数の和:3933

約数の個数: 18

約数和(自身を含む): 3638348

約数和(自身を除く): 1747360

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3907, 7814, 15628, 42977, 85954, 171908, 472747, 945494, 1890988]

約数ペア:

[(1, 1890988), (2, 945494), (4, 472747), (11, 171908), (22, 85954), (44, 42977), (121, 15628), (242, 7814), (484, 3907)]