18489128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17377}}^1$

素因数の和:17409

約数の個数: 32

約数和(自身を含む): 41707200

約数和(自身を除く): 23218072

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17377, 34754, 69508, 121639, 139016, 243278, 330163, 486556, 660326, 973112, 1320652, 2311141, 2641304, 4622282, 9244564, 18489128]

約数ペア:

[(1, 18489128), (2, 9244564), (4, 4622282), (7, 2641304), (8, 2311141), (14, 1320652), (19, 973112), (28, 660326), (38, 486556), (56, 330163), (76, 243278), (133, 139016), (152, 121639), (266, 69508), (532, 34754), (1064, 17377)]