18319455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 42052608

約数和(自身を除く): 23733153

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 153, 165, 187, 231, 255, 311, 315, 357, 385, 495, 561, 595, 693, 765, 933, 935, 1071, 1155, 1309, 1555, 1683, 1785, 2177, 2799, 2805, 3421, 3465, 3927, 4665, 5287, 5355, 6531, 6545, 8415, 10263, 10885, 11781, 13995, 15861, 17105, 19593, 19635, 23947, 26435, 30789, 32655, 37009, 47583, 51315, 58157, 58905, 71841, 79305, 97965, 111027, 119735, 153945, 174471, 185045, 215523, 237915, 290785, 333081, 359205, 407099, 523413, 555135, 872355, 1077615, 1221297, 1665405, 2035495, 2617065, 3663891, 6106485, 18319455]

約数ペア:

[(1, 18319455), (3, 6106485), (5, 3663891), (7, 2617065), (9, 2035495), (11, 1665405), (15, 1221297), (17, 1077615), (21, 872355), (33, 555135), (35, 523413), (45, 407099), (51, 359205), (55, 333081), (63, 290785), (77, 237915), (85, 215523), (99, 185045), (105, 174471), (119, 153945), (153, 119735), (165, 111027), (187, 97965), (231, 79305), (255, 71841), (311, 58905), (315, 58157), (357, 51315), (385, 47583), (495, 37009), (561, 32655), (595, 30789), (693, 26435), (765, 23947), (933, 19635), (935, 19593), (1071, 17105), (1155, 15861), (1309, 13995), (1555, 11781), (1683, 10885), (1785, 10263), (2177, 8415), (2799, 6545), (2805, 6531), (3421, 5355), (3465, 5287), (3927, 4665)]