2019998648

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{617359}}^1$

素因数の和:617774

約数の個数: 16

約数和(自身を含む): 3796764000

約数和(自身を除く): 1776765352

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 617359, 1234718, 2469436, 4938872, 252499831, 504999662, 1009999324, 2019998648]

約数ペア:

[(1, 2019998648), (2, 1009999324), (4, 504999662), (8, 252499831), (409, 4938872), (818, 2469436), (1636, 1234718), (3272, 617359)]