18131883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 12598869

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1481, 1749, 4081, 4443, 10367, 12243, 16291, 31101, 48873, 78493, 114037, 235479, 342111, 549451, 863423, 1648353, 2590269, 6043961, 18131883]

約数ペア:

[(1, 18131883), (3, 6043961), (7, 2590269), (11, 1648353), (21, 863423), (33, 549451), (53, 342111), (77, 235479), (159, 114037), (231, 78493), (371, 48873), (583, 31101), (1113, 16291), (1481, 12243), (1749, 10367), (4081, 4443)]