19281515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7459}}^1$

素因数の和:7522

約数の個数: 16

約数和(自身を含む): 25781760

約数和(自身を除く): 6500245

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7459, 37295, 82049, 350573, 410245, 1752865, 3856303, 19281515]

約数ペア:

[(1, 19281515), (5, 3856303), (11, 1752865), (47, 410245), (55, 350573), (235, 82049), (517, 37295), (2585, 7459)]