19478556

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 60

約数和(自身を含む): 51633120

約数和(自身を除く): 32154564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 711, 761, 948, 1422, 1522, 2133, 2283, 2844, 3044, 4266, 4566, 6399, 6849, 8532, 9132, 12798, 13698, 20547, 25596, 27396, 41094, 60119, 61641, 82188, 120238, 123282, 180357, 240476, 246564, 360714, 541071, 721428, 1082142, 1623213, 2164284, 3246426, 4869639, 6492852, 9739278, 19478556]

約数ペア:

[(1, 19478556), (2, 9739278), (3, 6492852), (4, 4869639), (6, 3246426), (9, 2164284), (12, 1623213), (18, 1082142), (27, 721428), (36, 541071), (54, 360714), (79, 246564), (81, 240476), (108, 180357), (158, 123282), (162, 120238), (237, 82188), (316, 61641), (324, 60119), (474, 41094), (711, 27396), (761, 25596), (948, 20547), (1422, 13698), (1522, 12798), (2133, 9132), (2283, 8532), (2844, 6849), (3044, 6399), (4266, 4566)]