19762717

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 4429283

約数列:

[1, 13, 19, 29, 31, 89, 247, 377, 403, 551, 589, 899, 1157, 1691, 2581, 2759, 7163, 7657, 11687, 17081, 21983, 33553, 35867, 49039, 52421, 80011, 222053, 637507, 681473, 1040143, 1520209, 19762717]

約数ペア:

[(1, 19762717), (13, 1520209), (19, 1040143), (29, 681473), (31, 637507), (89, 222053), (247, 80011), (377, 52421), (403, 49039), (551, 35867), (589, 33553), (899, 21983), (1157, 17081), (1691, 11687), (2581, 7657), (2759, 7163)]