2018392970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{258437}}^1$

素因数の和:258526

約数の個数: 32

約数和(自身を含む): 4019227776

約数和(自身を除く): 2000834806

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 258437, 516874, 1292185, 2584370, 2842807, 5685614, 14214035, 18349027, 28428070, 36698054, 91745135, 183490270, 201839297, 403678594, 1009196485, 2018392970]

約数ペア:

[(1, 2018392970), (2, 1009196485), (5, 403678594), (10, 201839297), (11, 183490270), (22, 91745135), (55, 36698054), (71, 28428070), (110, 18349027), (142, 14214035), (355, 5685614), (710, 2842807), (781, 2584370), (1562, 1292185), (3905, 516874), (7810, 258437)]