19564737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 9158463

約数列:

[1, 3, 19, 47, 57, 67, 109, 141, 201, 327, 893, 1273, 2071, 2679, 3149, 3819, 5123, 6213, 7303, 9447, 15369, 21909, 59831, 97337, 138757, 179493, 292011, 343241, 416271, 1029723, 6521579, 19564737]

約数ペア:

[(1, 19564737), (3, 6521579), (19, 1029723), (47, 416271), (57, 343241), (67, 292011), (109, 179493), (141, 138757), (201, 97337), (327, 59831), (893, 21909), (1273, 15369), (2071, 9447), (2679, 7303), (3149, 6213), (3819, 5123)]