19887164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1259}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 18215236

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 1259, 1436, 2518, 3949, 5036, 7898, 13849, 15796, 27698, 55396, 451981, 903962, 1807924, 4971791, 9943582, 19887164]

約数ペア:

[(1, 19887164), (2, 9943582), (4, 4971791), (11, 1807924), (22, 903962), (44, 451981), (359, 55396), (718, 27698), (1259, 15796), (1436, 13849), (2518, 7898), (3949, 5036)]