18551019968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1173521}}^1$

素因数の和:1173565

約数の個数: 56

約数和(自身を含む): 41730442320

約数和(自身を除く): 23179422352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 1173521, 2347042, 4694084, 9388168, 15255773, 18776336, 22296899, 30511546, 37552672, 44593798, 61023092, 75105344, 89187596, 122046184, 178375192, 244092368, 289859687, 356750384, 488184736, 579719374, 713500768, 976369472, 1159438748, 1427001536, 2318877496, 4637754992, 9275509984, 18551019968]

約数ペア:

[(1, 18551019968), (2, 9275509984), (4, 4637754992), (8, 2318877496), (13, 1427001536), (16, 1159438748), (19, 976369472), (26, 713500768), (32, 579719374), (38, 488184736), (52, 356750384), (64, 289859687), (76, 244092368), (104, 178375192), (152, 122046184), (208, 89187596), (247, 75105344), (304, 61023092), (416, 44593798), (494, 37552672), (608, 30511546), (832, 22296899), (988, 18776336), (1216, 15255773), (1976, 9388168), (3952, 4694084), (7904, 2347042), (15808, 1173521)]