18618992

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4493}}^1$

素因数の和:4545

約数の個数: 40

約数和(自身を含む): 42351456

約数和(自身を除く): 23732464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4493, 8986, 17972, 31451, 35944, 62902, 71888, 125804, 166241, 251608, 332482, 503216, 664964, 1163687, 1329928, 2327374, 2659856, 4654748, 9309496, 18618992]

約数ペア:

[(1, 18618992), (2, 9309496), (4, 4654748), (7, 2659856), (8, 2327374), (14, 1329928), (16, 1163687), (28, 664964), (37, 503216), (56, 332482), (74, 251608), (112, 166241), (148, 125804), (259, 71888), (296, 62902), (518, 35944), (592, 31451), (1036, 17972), (2072, 8986), (4144, 4493)]