2019983715

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{3023}}^1$

素因数の和:3544

約数の個数: 48

約数和(自身を含む): 3622993920

約数和(自身を除く): 1603010205

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 479, 1395, 1437, 2395, 3023, 4311, 7185, 9069, 14849, 15115, 21555, 27207, 44547, 45345, 74245, 93713, 133641, 136035, 222735, 281139, 468565, 668205, 843417, 1405695, 1448017, 4217085, 4344051, 7240085, 13032153, 21720255, 44888527, 65160765, 134665581, 224442635, 403996743, 673327905, 2019983715]

約数ペア:

[(1, 2019983715), (3, 673327905), (5, 403996743), (9, 224442635), (15, 134665581), (31, 65160765), (45, 44888527), (93, 21720255), (155, 13032153), (279, 7240085), (465, 4344051), (479, 4217085), (1395, 1448017), (1437, 1405695), (2395, 843417), (3023, 668205), (4311, 468565), (7185, 281139), (9069, 222735), (14849, 136035), (15115, 133641), (21555, 93713), (27207, 74245), (44547, 45345)]