19475302

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 39688704

約数和(自身を除く): 20213402

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 43, 77, 86, 119, 154, 173, 187, 238, 301, 346, 374, 473, 602, 731, 946, 1211, 1309, 1462, 1903, 2422, 2618, 2941, 3311, 3806, 5117, 5882, 6622, 7439, 8041, 10234, 13321, 14878, 16082, 20587, 26642, 32351, 41174, 52073, 56287, 64702, 81829, 104146, 112574, 126463, 163658, 226457, 252926, 452914, 572803, 885241, 1145606, 1391093, 1770482, 2782186, 9737651, 19475302]

約数ペア:

[(1, 19475302), (2, 9737651), (7, 2782186), (11, 1770482), (14, 1391093), (17, 1145606), (22, 885241), (34, 572803), (43, 452914), (77, 252926), (86, 226457), (119, 163658), (154, 126463), (173, 112574), (187, 104146), (238, 81829), (301, 64702), (346, 56287), (374, 52073), (473, 41174), (602, 32351), (731, 26642), (946, 20587), (1211, 16082), (1309, 14878), (1462, 13321), (1903, 10234), (2422, 8041), (2618, 7439), (2941, 6622), (3311, 5882), (3806, 5117)]