19402869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 28606464

約数和(自身を除く): 9203595

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 193, 579, 713, 1081, 1457, 2139, 3243, 4371, 4439, 5983, 9071, 13317, 17949, 27213, 33511, 100533, 137609, 208633, 281201, 412827, 625899, 843603, 6467623, 19402869]

約数ペア:

[(1, 19402869), (3, 6467623), (23, 843603), (31, 625899), (47, 412827), (69, 281201), (93, 208633), (141, 137609), (193, 100533), (579, 33511), (713, 27213), (1081, 17949), (1457, 13317), (2139, 9071), (3243, 5983), (4371, 4439)]