20239218

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30080142

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 31, 38, 46, 57, 62, 69, 83, 93, 114, 138, 166, 171, 186, 207, 249, 279, 342, 414, 437, 498, 558, 589, 713, 747, 874, 1178, 1311, 1426, 1494, 1577, 1767, 1909, 2139, 2573, 2622, 3154, 3534, 3818, 3933, 4278, 4731, 5146, 5301, 5727, 6417, 7719, 7866, 9462, 10602, 11454, 12834, 13547, 14193, 15438, 17181, 23157, 27094, 28386, 34362, 36271, 40641, 46314, 48887, 59179, 72542, 81282, 97774, 108813, 118358, 121923, 146661, 177537, 217626, 243846, 293322, 326439, 355074, 439983, 532611, 652878, 879966, 1065222, 1124401, 2248802, 3373203, 6746406, 10119609, 20239218]

約数ペア:

[(1, 20239218), (2, 10119609), (3, 6746406), (6, 3373203), (9, 2248802), (18, 1124401), (19, 1065222), (23, 879966), (31, 652878), (38, 532611), (46, 439983), (57, 355074), (62, 326439), (69, 293322), (83, 243846), (93, 217626), (114, 177537), (138, 146661), (166, 121923), (171, 118358), (186, 108813), (207, 97774), (249, 81282), (279, 72542), (342, 59179), (414, 48887), (437, 46314), (498, 40641), (558, 36271), (589, 34362), (713, 28386), (747, 27094), (874, 23157), (1178, 17181), (1311, 15438), (1426, 14193), (1494, 13547), (1577, 12834), (1767, 11454), (1909, 10602), (2139, 9462), (2573, 7866), (2622, 7719), (3154, 6417), (3534, 5727), (3818, 5301), (3933, 5146), (4278, 4731)]