19551389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 23466240

約数和(自身を除く): 3914851

約数列:

[1, 11, 13, 47, 143, 517, 611, 2909, 6721, 31999, 37817, 136723, 415987, 1503953, 1777399, 19551389]

約数ペア:

[(1, 19551389), (11, 1777399), (13, 1503953), (47, 415987), (143, 136723), (517, 37817), (611, 31999), (2909, 6721)]