18413703

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 36080640

約数和(自身を除く): 17666937

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 99, 119, 153, 187, 189, 231, 297, 357, 459, 521, 561, 693, 1071, 1309, 1563, 1683, 2079, 3213, 3647, 3927, 4689, 5049, 5731, 8857, 10941, 11781, 14067, 17193, 26571, 32823, 35343, 40117, 51579, 61999, 79713, 97427, 98469, 120351, 154737, 185997, 239139, 292281, 361053, 557991, 681989, 876843, 1083159, 1673973, 2045967, 2630529, 6137901, 18413703]

約数ペア:

[(1, 18413703), (3, 6137901), (7, 2630529), (9, 2045967), (11, 1673973), (17, 1083159), (21, 876843), (27, 681989), (33, 557991), (51, 361053), (63, 292281), (77, 239139), (99, 185997), (119, 154737), (153, 120351), (187, 98469), (189, 97427), (231, 79713), (297, 61999), (357, 51579), (459, 40117), (521, 35343), (561, 32823), (693, 26571), (1071, 17193), (1309, 14067), (1563, 11781), (1683, 10941), (2079, 8857), (3213, 5731), (3647, 5049), (3927, 4689)]