18380414409

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 30014078976

約数和(自身を除く): 11633664567

約数列:

[1, 3, 7, 21, 37, 47, 61, 111, 141, 183, 223, 259, 329, 427, 669, 777, 987, 1281, 1369, 1561, 1739, 2257, 2867, 4107, 4683, 5217, 6771, 8251, 8601, 9583, 10481, 12173, 13603, 15799, 20069, 24753, 28749, 31443, 36519, 40809, 47397, 57757, 60207, 64343, 73367, 83509, 95221, 106079, 173271, 193029, 220101, 250527, 285663, 305287, 318237, 387797, 450401, 503311, 584563, 639341, 742553, 915861, 1163391, 1351203, 1509933, 1753689, 1918023, 2137009, 2227659, 2714579, 3523177, 3924923, 4475387, 6411027, 8143737, 10569531, 11774769, 13426161, 14348489, 18622507, 23655617, 27474461, 43045467, 55867521, 70966851, 82423383, 100439423, 130357549, 165589319, 301318269, 391072647, 496767957, 875257829, 2625773487, 6126804803, 18380414409]

約数ペア:

[(1, 18380414409), (3, 6126804803), (7, 2625773487), (21, 875257829), (37, 496767957), (47, 391072647), (61, 301318269), (111, 165589319), (141, 130357549), (183, 100439423), (223, 82423383), (259, 70966851), (329, 55867521), (427, 43045467), (669, 27474461), (777, 23655617), (987, 18622507), (1281, 14348489), (1369, 13426161), (1561, 11774769), (1739, 10569531), (2257, 8143737), (2867, 6411027), (4107, 4475387), (4683, 3924923), (5217, 3523177), (6771, 2714579), (8251, 2227659), (8601, 2137009), (9583, 1918023), (10481, 1753689), (12173, 1509933), (13603, 1351203), (15799, 1163391), (20069, 915861), (24753, 742553), (28749, 639341), (31443, 584563), (36519, 503311), (40809, 450401), (47397, 387797), (57757, 318237), (60207, 305287), (64343, 285663), (73367, 250527), (83509, 220101), (95221, 193029), (106079, 173271)]