18005584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 37665000

約数和(自身を除く): 19659416

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1249, 1802, 2498, 3604, 4996, 7208, 9992, 14416, 19984, 21233, 42466, 66197, 84932, 132394, 169864, 264788, 339728, 529576, 1059152, 1125349, 2250698, 4501396, 9002792, 18005584]

約数ペア:

[(1, 18005584), (2, 9002792), (4, 4501396), (8, 2250698), (16, 1125349), (17, 1059152), (34, 529576), (53, 339728), (68, 264788), (106, 169864), (136, 132394), (212, 84932), (272, 66197), (424, 42466), (848, 21233), (901, 19984), (1249, 14416), (1802, 9992), (2498, 7208), (3604, 4996)]