18423405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 42981120

約数和(自身を除く): 24557715

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 143, 165, 195, 231, 273, 315, 385, 409, 429, 455, 495, 585, 693, 715, 819, 1001, 1155, 1227, 1287, 1365, 2045, 2145, 2863, 3003, 3465, 3681, 4095, 4499, 5005, 5317, 6135, 6435, 8589, 9009, 13497, 14315, 15015, 15951, 18405, 22495, 25767, 26585, 31493, 37219, 40491, 42945, 45045, 47853, 58487, 67485, 79755, 94479, 111657, 128835, 157465, 175461, 186095, 202455, 239265, 283437, 292435, 334971, 409409, 472395, 526383, 558285, 877305, 1228227, 1417185, 1674855, 2047045, 2631915, 3684681, 6141135, 18423405]

約数ペア:

[(1, 18423405), (3, 6141135), (5, 3684681), (7, 2631915), (9, 2047045), (11, 1674855), (13, 1417185), (15, 1228227), (21, 877305), (33, 558285), (35, 526383), (39, 472395), (45, 409409), (55, 334971), (63, 292435), (65, 283437), (77, 239265), (91, 202455), (99, 186095), (105, 175461), (117, 157465), (143, 128835), (165, 111657), (195, 94479), (231, 79755), (273, 67485), (315, 58487), (385, 47853), (409, 45045), (429, 42945), (455, 40491), (495, 37219), (585, 31493), (693, 26585), (715, 25767), (819, 22495), (1001, 18405), (1155, 15951), (1227, 15015), (1287, 14315), (1365, 13497), (2045, 9009), (2145, 8589), (2863, 6435), (3003, 6135), (3465, 5317), (3681, 5005), (4095, 4499)]