19917035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6818

約数の個数: 16

約数和(自身を含む): 25973760

約数和(自身を除く): 6056725

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6763, 33815, 128497, 209653, 642485, 1048265, 3983407, 19917035]

約数ペア:

[(1, 19917035), (5, 3983407), (19, 1048265), (31, 642485), (95, 209653), (155, 128497), (589, 33815), (2945, 6763)]