2019431380

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{224881}}^1$

素因数の和:225339

約数の個数: 24

約数和(自身を含む): 4250269800

約数和(自身を除く): 2230838420

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 224881, 449762, 899524, 1124405, 2248810, 4497620, 100971569, 201943138, 403886276, 504857845, 1009715690, 2019431380]

約数ペア:

[(1, 2019431380), (2, 1009715690), (4, 504857845), (5, 403886276), (10, 201943138), (20, 100971569), (449, 4497620), (898, 2248810), (1796, 1124405), (2245, 899524), (4490, 449762), (8980, 224881)]