18361790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 35022240

約数和(自身を除く): 16660450

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 401, 482, 802, 1205, 2005, 2410, 4010, 4579, 7619, 9158, 15238, 22895, 38095, 45790, 76190, 96641, 193282, 483205, 966410, 1836179, 3672358, 9180895, 18361790]

約数ペア:

[(1, 18361790), (2, 9180895), (5, 3672358), (10, 1836179), (19, 966410), (38, 483205), (95, 193282), (190, 96641), (241, 76190), (401, 45790), (482, 38095), (802, 22895), (1205, 15238), (2005, 9158), (2410, 7619), (4010, 4579)]