2018509913

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 2456002560

約数和(自身を除く): 437492647

約数列:

[1, 7, 31, 43, 137, 217, 301, 959, 1333, 1579, 4247, 5891, 9331, 11053, 29729, 41237, 48949, 67897, 182621, 216323, 342643, 475279, 1278347, 1514261, 2104807, 6706013, 9301889, 14733649, 46942091, 65113223, 288358559, 2018509913]

約数ペア:

[(1, 2018509913), (7, 288358559), (31, 65113223), (43, 46942091), (137, 14733649), (217, 9301889), (301, 6706013), (959, 2104807), (1333, 1514261), (1579, 1278347), (4247, 475279), (5891, 342643), (9331, 216323), (11053, 182621), (29729, 67897), (41237, 48949)]