18873327

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10986513

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 971, 1023, 1767, 2913, 6479, 10681, 18449, 19437, 30101, 32043, 55347, 90303, 202939, 331111, 571919, 608817, 993333, 1715757, 6291109, 18873327]

約数ペア:

[(1, 18873327), (3, 6291109), (11, 1715757), (19, 993333), (31, 608817), (33, 571919), (57, 331111), (93, 202939), (209, 90303), (341, 55347), (589, 32043), (627, 30101), (971, 19437), (1023, 18449), (1767, 10681), (2913, 6479)]