2018897240

素因数分解:

$2^3\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{21859}}^1$

素因数の和:24179

約数の個数: 32

約数和(自身を含む): 4544694000

約数和(自身を除く): 2525796760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2309, 4618, 9236, 11545, 18472, 21859, 23090, 43718, 46180, 87436, 92360, 109295, 174872, 218590, 437180, 874360, 50472431, 100944862, 201889724, 252362155, 403779448, 504724310, 1009448620, 2018897240]

約数ペア:

[(1, 2018897240), (2, 1009448620), (4, 504724310), (5, 403779448), (8, 252362155), (10, 201889724), (20, 100944862), (40, 50472431), (2309, 874360), (4618, 437180), (9236, 218590), (11545, 174872), (18472, 109295), (21859, 92360), (23090, 87436), (43718, 46180)]