20189365553

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{144709}}^1$

素因数の和:145784

約数の個数: 16

約数和(自身を含む): 24311280000

約数和(自身を除く): 4121914447

約数列:

[1, 7, 19, 133, 1049, 7343, 19931, 139517, 144709, 1012963, 2749471, 19246297, 151799741, 1062598187, 2884195079, 20189365553]

約数ペア:

[(1, 20189365553), (7, 2884195079), (19, 1062598187), (133, 151799741), (1049, 19246297), (7343, 2749471), (19931, 1012963), (139517, 144709)]