19690808

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{66523}}^1$

素因数の和:66566

約数の個数: 16

約数和(自身を含む): 37918680

約数和(自身を除く): 18227872

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 66523, 133046, 266092, 532184, 2461351, 4922702, 9845404, 19690808]

約数ペア:

[(1, 19690808), (2, 9845404), (4, 4922702), (8, 2461351), (37, 532184), (74, 266092), (148, 133046), (296, 66523)]