19994500910

素因数分解:

$2^1\times 5^1\times {\mathrm{3631}}^1\times {\mathrm{550661}}^1$

素因数の和:554299

約数の個数: 16

約数和(自身を含む): 36000078912

約数和(自身を除く): 16005578002

約数列:

[1, 2, 5, 10, 3631, 7262, 18155, 36310, 550661, 1101322, 2753305, 5506610, 1999450091, 3998900182, 9997250455, 19994500910]

約数ペア:

[(1, 19994500910), (2, 9997250455), (5, 3998900182), (10, 1999450091), (3631, 5506610), (7262, 2753305), (18155, 1101322), (36310, 550661)]