19971838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{14327}}^1$

素因数の和:14387

約数の個数: 16

約数和(自身を含む): 32495904

約数和(自身を除く): 12524066

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 14327, 28654, 243559, 487118, 587407, 1174814, 9985919, 19971838]

約数ペア:

[(1, 19971838), (2, 9985919), (17, 1174814), (34, 587407), (41, 487118), (82, 243559), (697, 28654), (1394, 14327)]