12689478

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{22741}}^1$

素因数の和:22780

約数の個数: 24

約数和(自身を含む): 28382016

約数和(自身を除く): 15692538

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 22741, 45482, 68223, 136446, 204669, 409338, 704971, 1409942, 2114913, 4229826, 6344739, 12689478]

約数ペア:

[(1, 12689478), (2, 6344739), (3, 4229826), (6, 2114913), (9, 1409942), (18, 704971), (31, 409338), (62, 204669), (93, 136446), (186, 68223), (279, 45482), (558, 22741)]