18811936

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4111}}^1$

素因数の和:4145

約数の個数: 48

約数和(自身を含む): 43521408

約数和(自身を除く): 24709472

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4111, 4576, 8222, 16444, 32888, 45221, 53443, 65776, 90442, 106886, 131552, 180884, 213772, 361768, 427544, 587873, 723536, 855088, 1175746, 1447072, 1710176, 2351492, 4702984, 9405968, 18811936]

約数ペア:

[(1, 18811936), (2, 9405968), (4, 4702984), (8, 2351492), (11, 1710176), (13, 1447072), (16, 1175746), (22, 855088), (26, 723536), (32, 587873), (44, 427544), (52, 361768), (88, 213772), (104, 180884), (143, 131552), (176, 106886), (208, 90442), (286, 65776), (352, 53443), (416, 45221), (572, 32888), (1144, 16444), (2288, 8222), (4111, 4576)]