19759188

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 47678400

約数和(自身を除く): 27919212

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 149, 172, 257, 258, 298, 447, 514, 516, 596, 771, 894, 1028, 1542, 1788, 3084, 6407, 11051, 12814, 19221, 22102, 25628, 33153, 38293, 38442, 44204, 66306, 76586, 76884, 114879, 132612, 153172, 229758, 459516, 1646599, 3293198, 4939797, 6586396, 9879594, 19759188]

約数ペア:

[(1, 19759188), (2, 9879594), (3, 6586396), (4, 4939797), (6, 3293198), (12, 1646599), (43, 459516), (86, 229758), (129, 153172), (149, 132612), (172, 114879), (257, 76884), (258, 76586), (298, 66306), (447, 44204), (514, 38442), (516, 38293), (596, 33153), (771, 25628), (894, 22102), (1028, 19221), (1542, 12814), (1788, 11051), (3084, 6407)]