18017060

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1367}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 19903900

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 1367, 2636, 2734, 3295, 5468, 6590, 6835, 13180, 13670, 27340, 900853, 1801706, 3603412, 4504265, 9008530, 18017060]

約数ペア:

[(1, 18017060), (2, 9008530), (4, 4504265), (5, 3603412), (10, 1801706), (20, 900853), (659, 27340), (1318, 13670), (1367, 13180), (2636, 6835), (2734, 6590), (3295, 5468)]