201913645

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 251393688

約数和(自身を除く): 49480043

約数列:

[1, 5, 47, 101, 181, 235, 505, 905, 2209, 4747, 8507, 11045, 18281, 23735, 42535, 91405, 223109, 399829, 859207, 1115545, 1999145, 4296035, 40382729, 201913645]

約数ペア:

[(1, 201913645), (5, 40382729), (47, 4296035), (101, 1999145), (181, 1115545), (235, 859207), (505, 399829), (905, 223109), (2209, 91405), (4747, 42535), (8507, 23735), (11045, 18281)]