19644537

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 32260032

約数和(自身を除く): 12615495

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 97, 187, 209, 291, 323, 361, 561, 627, 969, 1067, 1083, 1649, 1843, 3201, 3553, 3971, 4947, 5529, 6137, 10659, 11913, 18139, 18411, 20273, 31331, 35017, 54417, 60819, 67507, 93993, 105051, 202521, 344641, 385187, 595289, 1033923, 1155561, 1785867, 6548179, 19644537]

約数ペア:

[(1, 19644537), (3, 6548179), (11, 1785867), (17, 1155561), (19, 1033923), (33, 595289), (51, 385187), (57, 344641), (97, 202521), (187, 105051), (209, 93993), (291, 67507), (323, 60819), (361, 54417), (561, 35017), (627, 31331), (969, 20273), (1067, 18411), (1083, 18139), (1649, 11913), (1843, 10659), (3201, 6137), (3553, 5529), (3971, 4947)]