18790695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 26024985

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 29, 33, 35, 45, 51, 55, 63, 77, 85, 87, 99, 105, 119, 121, 145, 153, 165, 187, 203, 231, 255, 261, 315, 319, 357, 363, 385, 435, 493, 495, 561, 595, 605, 609, 693, 765, 847, 935, 957, 1015, 1071, 1089, 1155, 1305, 1309, 1479, 1595, 1683, 1785, 1815, 1827, 2057, 2233, 2465, 2541, 2805, 2871, 3045, 3451, 3465, 3509, 3927, 4235, 4437, 4785, 5355, 5423, 5445, 6171, 6545, 6699, 7395, 7623, 8415, 9135, 10285, 10353, 10527, 11165, 11781, 12705, 14355, 14399, 16269, 17255, 17545, 18513, 19635, 20097, 22185, 24563, 27115, 30855, 31059, 31581, 33495, 37961, 38115, 43197, 48807, 51765, 52635, 58905, 59653, 71995, 73689, 81345, 92565, 100485, 113883, 122815, 129591, 155295, 157905, 178959, 189805, 215985, 221067, 244035, 298265, 341649, 368445, 417571, 536877, 569415, 647955, 894795, 1105335, 1252713, 1708245, 2087855, 2684385, 3758139, 6263565, 18790695]

約数ペア:

[(1, 18790695), (3, 6263565), (5, 3758139), (7, 2684385), (9, 2087855), (11, 1708245), (15, 1252713), (17, 1105335), (21, 894795), (29, 647955), (33, 569415), (35, 536877), (45, 417571), (51, 368445), (55, 341649), (63, 298265), (77, 244035), (85, 221067), (87, 215985), (99, 189805), (105, 178959), (119, 157905), (121, 155295), (145, 129591), (153, 122815), (165, 113883), (187, 100485), (203, 92565), (231, 81345), (255, 73689), (261, 71995), (315, 59653), (319, 58905), (357, 52635), (363, 51765), (385, 48807), (435, 43197), (493, 38115), (495, 37961), (561, 33495), (595, 31581), (605, 31059), (609, 30855), (693, 27115), (765, 24563), (847, 22185), (935, 20097), (957, 19635), (1015, 18513), (1071, 17545), (1089, 17255), (1155, 16269), (1305, 14399), (1309, 14355), (1479, 12705), (1595, 11781), (1683, 11165), (1785, 10527), (1815, 10353), (1827, 10285), (2057, 9135), (2233, 8415), (2465, 7623), (2541, 7395), (2805, 6699), (2871, 6545), (3045, 6171), (3451, 5445), (3465, 5423), (3509, 5355), (3927, 4785), (4235, 4437)]