19618172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 22379140

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 743, 943, 1148, 1486, 1886, 2972, 3772, 5201, 6601, 10402, 13202, 17089, 20804, 26404, 30463, 34178, 60926, 68356, 119623, 121852, 213241, 239246, 426482, 478492, 700649, 852964, 1401298, 2802596, 4904543, 9809086, 19618172]

約数ペア:

[(1, 19618172), (2, 9809086), (4, 4904543), (7, 2802596), (14, 1401298), (23, 852964), (28, 700649), (41, 478492), (46, 426482), (82, 239246), (92, 213241), (161, 121852), (164, 119623), (287, 68356), (322, 60926), (574, 34178), (644, 30463), (743, 26404), (943, 20804), (1148, 17089), (1486, 13202), (1886, 10402), (2972, 6601), (3772, 5201)]