19446878

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 35335440

約数和(自身を除く): 15888562

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 121, 163, 187, 242, 319, 326, 374, 493, 638, 986, 1793, 2057, 2771, 3509, 3586, 4114, 4727, 5423, 5542, 7018, 9454, 10846, 19723, 30481, 39446, 51997, 59653, 60962, 80359, 103994, 119306, 160718, 335291, 571967, 670582, 883949, 1143934, 1767898, 9723439, 19446878]

約数ペア:

[(1, 19446878), (2, 9723439), (11, 1767898), (17, 1143934), (22, 883949), (29, 670582), (34, 571967), (58, 335291), (121, 160718), (163, 119306), (187, 103994), (242, 80359), (319, 60962), (326, 59653), (374, 51997), (493, 39446), (638, 30481), (986, 19723), (1793, 10846), (2057, 9454), (2771, 7018), (3509, 5542), (3586, 5423), (4114, 4727)]