18809505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 39836160

約数和(自身を除く): 21026655

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 37, 39, 45, 55, 65, 79, 99, 111, 117, 143, 165, 185, 195, 237, 333, 395, 407, 429, 481, 495, 555, 585, 711, 715, 869, 1027, 1185, 1221, 1287, 1443, 1665, 2035, 2145, 2405, 2607, 2923, 3081, 3555, 3663, 4329, 4345, 5135, 5291, 6105, 6435, 7215, 7821, 8769, 9243, 11297, 13035, 14615, 15405, 15873, 18315, 21645, 26307, 26455, 32153, 33891, 37999, 39105, 43845, 46215, 47619, 56485, 79365, 96459, 101673, 113997, 131535, 160765, 169455, 189995, 238095, 289377, 341991, 417989, 482295, 508365, 569985, 1253967, 1446885, 1709955, 2089945, 3761901, 6269835, 18809505]

約数ペア:

[(1, 18809505), (3, 6269835), (5, 3761901), (9, 2089945), (11, 1709955), (13, 1446885), (15, 1253967), (33, 569985), (37, 508365), (39, 482295), (45, 417989), (55, 341991), (65, 289377), (79, 238095), (99, 189995), (111, 169455), (117, 160765), (143, 131535), (165, 113997), (185, 101673), (195, 96459), (237, 79365), (333, 56485), (395, 47619), (407, 46215), (429, 43845), (481, 39105), (495, 37999), (555, 33891), (585, 32153), (711, 26455), (715, 26307), (869, 21645), (1027, 18315), (1185, 15873), (1221, 15405), (1287, 14615), (1443, 13035), (1665, 11297), (2035, 9243), (2145, 8769), (2405, 7821), (2607, 7215), (2923, 6435), (3081, 6105), (3555, 5291), (3663, 5135), (4329, 4345)]