18992855158

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{971}}^1$

素因数の和:1837

約数の個数: 48

約数和(自身を含む): 31038790464

約数和(自身を除く): 12045935306

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 787, 971, 1462, 1574, 1942, 12427, 13379, 16507, 24854, 26758, 33014, 33841, 41753, 67682, 83506, 227443, 280619, 454886, 561238, 575297, 709801, 764177, 1150594, 1419602, 1528354, 9780049, 12066617, 12991009, 19560098, 24133234, 25982018, 32859611, 65719222, 220847153, 441694306, 558613387, 1117226774, 9496427579, 18992855158]

約数ペア:

[(1, 18992855158), (2, 9496427579), (17, 1117226774), (34, 558613387), (43, 441694306), (86, 220847153), (289, 65719222), (578, 32859611), (731, 25982018), (787, 24133234), (971, 19560098), (1462, 12991009), (1574, 12066617), (1942, 9780049), (12427, 1528354), (13379, 1419602), (16507, 1150594), (24854, 764177), (26758, 709801), (33014, 575297), (33841, 561238), (41753, 454886), (67682, 280619), (83506, 227443)]