18922408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 36891360

約数和(自身を除く): 17968952

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 821, 1642, 2881, 3284, 5762, 6568, 11524, 23048, 35303, 55007, 70606, 110014, 141212, 220028, 282424, 440056, 2365301, 4730602, 9461204, 18922408]

約数ペア:

[(1, 18922408), (2, 9461204), (4, 4730602), (8, 2365301), (43, 440056), (67, 282424), (86, 220028), (134, 141212), (172, 110014), (268, 70606), (344, 55007), (536, 35303), (821, 23048), (1642, 11524), (2881, 6568), (3284, 5762)]