19887618

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{41957}}^1$

素因数の和:42041

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 20392062

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 41957, 83914, 125871, 251742, 3314603, 6629206, 9943809, 19887618]

約数ペア:

[(1, 19887618), (2, 9943809), (3, 6629206), (6, 3314603), (79, 251742), (158, 125871), (237, 83914), (474, 41957)]