18011668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 35038080

約数和(自身を除く): 17026412

約数列:

[1, 2, 4, 23, 29, 43, 46, 58, 86, 92, 116, 157, 172, 314, 628, 667, 989, 1247, 1334, 1978, 2494, 2668, 3611, 3956, 4553, 4988, 6751, 7222, 9106, 13502, 14444, 18212, 27004, 28681, 57362, 104719, 114724, 155273, 195779, 209438, 310546, 391558, 418876, 621092, 783116, 4502917, 9005834, 18011668]

約数ペア:

[(1, 18011668), (2, 9005834), (4, 4502917), (23, 783116), (29, 621092), (43, 418876), (46, 391558), (58, 310546), (86, 209438), (92, 195779), (116, 155273), (157, 114724), (172, 104719), (314, 57362), (628, 28681), (667, 27004), (989, 18212), (1247, 14444), (1334, 13502), (1978, 9106), (2494, 7222), (2668, 6751), (3611, 4988), (3956, 4553)]