19695668

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 35116032

約数和(自身を除く): 15420364

約数列:

[1, 2, 4, 127, 137, 254, 274, 283, 508, 548, 566, 1132, 17399, 34798, 35941, 38771, 69596, 71882, 77542, 143764, 155084, 4923917, 9847834, 19695668]

約数ペア:

[(1, 19695668), (2, 9847834), (4, 4923917), (127, 155084), (137, 143764), (254, 77542), (274, 71882), (283, 69596), (508, 38771), (548, 35941), (566, 34798), (1132, 17399)]