19689714

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 46837440

約数和(自身を除く): 27147726

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 277, 359, 554, 718, 831, 1077, 1662, 2154, 2493, 3047, 3231, 3949, 4986, 6094, 6462, 7898, 9141, 11847, 18282, 23694, 27423, 35541, 54846, 71082, 99443, 198886, 298329, 596658, 894987, 1093873, 1789974, 2187746, 3281619, 6563238, 9844857, 19689714]

約数ペア:

[(1, 19689714), (2, 9844857), (3, 6563238), (6, 3281619), (9, 2187746), (11, 1789974), (18, 1093873), (22, 894987), (33, 596658), (66, 298329), (99, 198886), (198, 99443), (277, 71082), (359, 54846), (554, 35541), (718, 27423), (831, 23694), (1077, 18282), (1662, 11847), (2154, 9141), (2493, 7898), (3047, 6462), (3231, 6094), (3949, 4986)]