19717428

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{11821}}^1$

素因数の和:11967

約数の個数: 24

約数和(自身を含む): 46342240

約数和(自身を除く): 26624812

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 11821, 23642, 35463, 47284, 70926, 141852, 1643119, 3286238, 4929357, 6572476, 9858714, 19717428]

約数ペア:

[(1, 19717428), (2, 9858714), (3, 6572476), (4, 4929357), (6, 3286238), (12, 1643119), (139, 141852), (278, 70926), (417, 47284), (556, 35463), (834, 23642), (1668, 11821)]