19715635

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6549965

約数列:

[1, 5, 19, 37, 71, 79, 95, 185, 355, 395, 703, 1349, 1501, 2627, 2923, 3515, 5609, 6745, 7505, 13135, 14615, 28045, 49913, 55537, 106571, 207533, 249565, 277685, 532855, 1037665, 3943127, 19715635]

約数ペア:

[(1, 19715635), (5, 3943127), (19, 1037665), (37, 532855), (71, 277685), (79, 249565), (95, 207533), (185, 106571), (355, 55537), (395, 49913), (703, 28045), (1349, 14615), (1501, 13135), (2627, 7505), (2923, 6745), (3515, 5609)]