19936072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191693}}^1$

素因数の和:191712

約数の個数: 16

約数和(自身を含む): 40255740

約数和(自身を除く): 20319668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191693, 383386, 766772, 1533544, 2492009, 4984018, 9968036, 19936072]

約数ペア:

[(1, 19936072), (2, 9968036), (4, 4984018), (8, 2492009), (13, 1533544), (26, 766772), (52, 383386), (104, 191693)]