18005295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 39004416

約数和(自身を除く): 20999121

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 85, 105, 119, 131, 147, 165, 187, 231, 245, 255, 357, 385, 393, 539, 561, 595, 655, 735, 833, 917, 935, 1155, 1309, 1441, 1617, 1785, 1965, 2227, 2499, 2695, 2751, 2805, 3927, 4165, 4323, 4585, 6419, 6545, 6681, 7205, 8085, 9163, 10087, 11135, 12495, 13755, 15589, 19257, 19635, 21615, 24497, 27489, 30261, 32095, 33405, 45815, 46767, 50435, 70609, 73491, 77945, 96285, 109123, 122485, 137445, 151305, 171479, 211827, 233835, 327369, 353045, 367455, 514437, 545615, 857395, 1059135, 1200353, 1636845, 2572185, 3601059, 6001765, 18005295]

約数ペア:

[(1, 18005295), (3, 6001765), (5, 3601059), (7, 2572185), (11, 1636845), (15, 1200353), (17, 1059135), (21, 857395), (33, 545615), (35, 514437), (49, 367455), (51, 353045), (55, 327369), (77, 233835), (85, 211827), (105, 171479), (119, 151305), (131, 137445), (147, 122485), (165, 109123), (187, 96285), (231, 77945), (245, 73491), (255, 70609), (357, 50435), (385, 46767), (393, 45815), (539, 33405), (561, 32095), (595, 30261), (655, 27489), (735, 24497), (833, 21615), (917, 19635), (935, 19257), (1155, 15589), (1309, 13755), (1441, 12495), (1617, 11135), (1785, 10087), (1965, 9163), (2227, 8085), (2499, 7205), (2695, 6681), (2751, 6545), (2805, 6419), (3927, 4585), (4165, 4323)]