2019291208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{115309}}^1$

素因数の和:115525

約数の個数: 32

約数和(自身を含む): 4151160000

約数和(自身を除く): 2131868792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 2189, 4378, 8756, 17512, 115309, 230618, 461236, 922472, 1268399, 2536798, 5073596, 10147192, 22946491, 45892982, 91785964, 183571928, 252411401, 504822802, 1009645604, 2019291208]

約数ペア:

[(1, 2019291208), (2, 1009645604), (4, 504822802), (8, 252411401), (11, 183571928), (22, 91785964), (44, 45892982), (88, 22946491), (199, 10147192), (398, 5073596), (796, 2536798), (1592, 1268399), (2189, 922472), (4378, 461236), (8756, 230618), (17512, 115309)]