19442764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 54

約数和(自身を含む): 40014380

約数和(自身を除く): 20571616

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 139, 187, 242, 278, 289, 374, 484, 556, 578, 748, 1156, 1529, 2057, 2363, 3058, 3179, 4114, 4726, 6116, 6358, 8228, 9452, 12716, 16819, 25993, 33638, 34969, 40171, 51986, 67276, 69938, 80342, 103972, 139876, 160684, 285923, 441881, 571846, 883762, 1143692, 1767524, 4860691, 9721382, 19442764]

約数ペア:

[(1, 19442764), (2, 9721382), (4, 4860691), (11, 1767524), (17, 1143692), (22, 883762), (34, 571846), (44, 441881), (68, 285923), (121, 160684), (139, 139876), (187, 103972), (242, 80342), (278, 69938), (289, 67276), (374, 51986), (484, 40171), (556, 34969), (578, 33638), (748, 25993), (1156, 16819), (1529, 12716), (2057, 9452), (2363, 8228), (3058, 6358), (3179, 6116), (4114, 4726)]