2019018020

素因数分解:

$2^2\times 5^1\times {\mathrm{5659}}^1\times {\mathrm{17839}}^1$

素因数の和:23507

約数の個数: 24

約数和(自身を含む): 4240924800

約数和(自身を除く): 2221906780

約数列:

[1, 2, 4, 5, 10, 20, 5659, 11318, 17839, 22636, 28295, 35678, 56590, 71356, 89195, 113180, 178390, 356780, 100950901, 201901802, 403803604, 504754505, 1009509010, 2019018020]

約数ペア:

[(1, 2019018020), (2, 1009509010), (4, 504754505), (5, 403803604), (10, 201901802), (20, 100950901), (5659, 356780), (11318, 178390), (17839, 113180), (22636, 89195), (28295, 71356), (35678, 56590)]