18498020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48679}}^1$

素因数の和:48707

約数の個数: 24

約数和(自身を含む): 40891200

約数和(自身を除く): 22393180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48679, 97358, 194716, 243395, 486790, 924901, 973580, 1849802, 3699604, 4624505, 9249010, 18498020]

約数ペア:

[(1, 18498020), (2, 9249010), (4, 4624505), (5, 3699604), (10, 1849802), (19, 973580), (20, 924901), (38, 486790), (76, 243395), (95, 194716), (190, 97358), (380, 48679)]