18839205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5437}}^1$

素因数の和:5466

約数の個数: 48

約数和(自身を含む): 40719744

約数和(自身を除く): 21880539

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5437, 16311, 27185, 38059, 48933, 59807, 81555, 114177, 179421, 190295, 244665, 299035, 342531, 418649, 538263, 570885, 897105, 1255947, 1712655, 2093245, 2691315, 3767841, 6279735, 18839205]

約数ペア:

[(1, 18839205), (3, 6279735), (5, 3767841), (7, 2691315), (9, 2093245), (11, 1712655), (15, 1255947), (21, 897105), (33, 570885), (35, 538263), (45, 418649), (55, 342531), (63, 299035), (77, 244665), (99, 190295), (105, 179421), (165, 114177), (231, 81555), (315, 59807), (385, 48933), (495, 38059), (693, 27185), (1155, 16311), (3465, 5437)]