19620868

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 35124768

約数和(自身を除く): 15503900

約数列:

[1, 2, 4, 83, 113, 166, 226, 332, 452, 523, 1046, 2092, 9379, 18758, 37516, 43409, 59099, 86818, 118198, 173636, 236396, 4905217, 9810434, 19620868]

約数ペア:

[(1, 19620868), (2, 9810434), (4, 4905217), (83, 236396), (113, 173636), (166, 118198), (226, 86818), (332, 59099), (452, 43409), (523, 37516), (1046, 18758), (2092, 9379)]