18681852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222403}}^1$

素因数の和:222417

約数の個数: 24

約数和(自身を含む): 49818496

約数和(自身を除く): 31136644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222403, 444806, 667209, 889612, 1334418, 1556821, 2668836, 3113642, 4670463, 6227284, 9340926, 18681852]

約数ペア:

[(1, 18681852), (2, 9340926), (3, 6227284), (4, 4670463), (6, 3113642), (7, 2668836), (12, 1556821), (14, 1334418), (21, 889612), (28, 667209), (42, 444806), (84, 222403)]