18993663

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 30905280

約数和(自身を除く): 11911617

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1021, 1431, 2067, 3063, 6201, 9189, 13273, 18603, 27567, 39819, 54113, 119457, 162339, 358371, 487017, 703469, 1461051, 2110407, 6331221, 18993663]

約数ペア:

[(1, 18993663), (3, 6331221), (9, 2110407), (13, 1461051), (27, 703469), (39, 487017), (53, 358371), (117, 162339), (159, 119457), (351, 54113), (477, 39819), (689, 27567), (1021, 18603), (1431, 13273), (2067, 9189), (3063, 6201)]