19917894

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{49547}}^1$

素因数の和:49619

約数の個数: 16

約数和(自身を含む): 40431168

約数和(自身を除く): 20513274

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 49547, 99094, 148641, 297282, 3319649, 6639298, 9958947, 19917894]

約数ペア:

[(1, 19917894), (2, 9958947), (3, 6639298), (6, 3319649), (67, 297282), (134, 148641), (201, 99094), (402, 49547)]