19919388

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5407}}^1$

素因数の和:5721

約数の個数: 24

約数和(自身を含む): 46638592

約数和(自身を除く): 26719204

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5407, 10814, 16221, 21628, 32442, 64884, 1659949, 3319898, 4979847, 6639796, 9959694, 19919388]

約数ペア:

[(1, 19919388), (2, 9959694), (3, 6639796), (4, 4979847), (6, 3319898), (12, 1659949), (307, 64884), (614, 32442), (921, 21628), (1228, 16221), (1842, 10814), (3684, 5407)]