319372558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{20549}}^1$

素因数の和:20979

約数の個数: 16

約数和(自身を含む): 505530000

約数和(自身を除く): 186157442

約数列:

[1, 2, 19, 38, 409, 818, 7771, 15542, 20549, 41098, 390431, 780862, 8404541, 16809082, 159686279, 319372558]

約数ペア:

[(1, 319372558), (2, 159686279), (19, 16809082), (38, 8404541), (409, 780862), (818, 390431), (7771, 41098), (15542, 20549)]