19705090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 38358720

約数和(自身を除く): 18653630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2803, 3515, 5606, 7030, 14015, 28030, 53257, 103711, 106514, 207422, 266285, 518555, 532570, 1037110, 1970509, 3941018, 9852545, 19705090]

約数ペア:

[(1, 19705090), (2, 9852545), (5, 3941018), (10, 1970509), (19, 1037110), (37, 532570), (38, 518555), (74, 266285), (95, 207422), (185, 106514), (190, 103711), (370, 53257), (703, 28030), (1406, 14015), (2803, 7030), (3515, 5606)]