19515804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21121}}^1$

素因数の和:21146

約数の個数: 48

約数和(自身を含む): 56775936

約数和(自身を除く): 37260132

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21121, 42242, 63363, 84484, 126726, 147847, 232331, 253452, 295694, 443541, 464662, 591388, 696993, 887082, 929324, 1393986, 1626317, 1774164, 2787972, 3252634, 4878951, 6505268, 9757902, 19515804]

約数ペア:

[(1, 19515804), (2, 9757902), (3, 6505268), (4, 4878951), (6, 3252634), (7, 2787972), (11, 1774164), (12, 1626317), (14, 1393986), (21, 929324), (22, 887082), (28, 696993), (33, 591388), (42, 464662), (44, 443541), (66, 295694), (77, 253452), (84, 232331), (132, 147847), (154, 126726), (231, 84484), (308, 63363), (462, 42242), (924, 21121)]