18890014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^2$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 33418728

約数和(自身を除く): 14528714

約数列:

[1, 2, 11, 13, 22, 26, 143, 257, 286, 514, 2827, 3341, 5654, 6682, 36751, 66049, 73502, 132098, 726539, 858637, 1453078, 1717274, 9445007, 18890014]

約数ペア:

[(1, 18890014), (2, 9445007), (11, 1717274), (13, 1453078), (22, 858637), (26, 726539), (143, 132098), (257, 73502), (286, 66049), (514, 36751), (2827, 6682), (3341, 5654)]