18007216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 37229760

約数和(自身を除く): 19222544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 277, 478, 554, 956, 1108, 1912, 2216, 3824, 4063, 4432, 4709, 8126, 9418, 16252, 18836, 32504, 37672, 65008, 66203, 75344, 132406, 264812, 529624, 1059248, 1125451, 2250902, 4501804, 9003608, 18007216]

約数ペア:

[(1, 18007216), (2, 9003608), (4, 4501804), (8, 2250902), (16, 1125451), (17, 1059248), (34, 529624), (68, 264812), (136, 132406), (239, 75344), (272, 66203), (277, 65008), (478, 37672), (554, 32504), (956, 18836), (1108, 16252), (1912, 9418), (2216, 8126), (3824, 4709), (4063, 4432)]