19998802216

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67563521}}^1$

素因数の和:67563564

約数の個数: 16

約数和(自身を含む): 38511207540

約数和(自身を除く): 18512405324

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67563521, 135127042, 270254084, 540508168, 2499850277, 4999700554, 9999401108, 19998802216]

約数ペア:

[(1, 19998802216), (2, 9999401108), (4, 4999700554), (8, 2499850277), (37, 540508168), (74, 270254084), (148, 135127042), (296, 67563521)]