19663798

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 42107040

約数和(自身を除く): 22443242

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 37, 49, 58, 74, 77, 98, 119, 154, 187, 203, 238, 259, 319, 374, 406, 407, 493, 518, 539, 629, 638, 814, 833, 986, 1073, 1078, 1258, 1309, 1421, 1666, 1813, 2146, 2233, 2618, 2842, 2849, 3451, 3626, 4403, 4466, 5423, 5698, 6902, 6919, 7511, 8806, 9163, 10846, 11803, 13838, 15022, 15631, 18241, 18326, 19943, 23606, 24157, 30821, 31262, 36482, 37961, 39886, 48314, 48433, 52577, 61642, 75922, 82621, 96866, 105154, 127687, 165242, 200651, 255374, 265727, 339031, 401302, 531454, 578347, 678062, 893809, 1156694, 1404557, 1787618, 2809114, 9831899, 19663798]

約数ペア:

[(1, 19663798), (2, 9831899), (7, 2809114), (11, 1787618), (14, 1404557), (17, 1156694), (22, 893809), (29, 678062), (34, 578347), (37, 531454), (49, 401302), (58, 339031), (74, 265727), (77, 255374), (98, 200651), (119, 165242), (154, 127687), (187, 105154), (203, 96866), (238, 82621), (259, 75922), (319, 61642), (374, 52577), (406, 48433), (407, 48314), (493, 39886), (518, 37961), (539, 36482), (629, 31262), (638, 30821), (814, 24157), (833, 23606), (986, 19943), (1073, 18326), (1078, 18241), (1258, 15631), (1309, 15022), (1421, 13838), (1666, 11803), (1813, 10846), (2146, 9163), (2233, 8806), (2618, 7511), (2842, 6919), (2849, 6902), (3451, 5698), (3626, 5423), (4403, 4466)]