19541268

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2003}}^1$

素因数の和:2284

約数の個数: 36

約数和(自身を含む): 49603008

約数和(自身を除く): 30061740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2003, 2439, 3252, 4006, 4878, 6009, 8012, 9756, 12018, 18027, 24036, 36054, 72108, 542813, 1085626, 1628439, 2171252, 3256878, 4885317, 6513756, 9770634, 19541268]

約数ペア:

[(1, 19541268), (2, 9770634), (3, 6513756), (4, 4885317), (6, 3256878), (9, 2171252), (12, 1628439), (18, 1085626), (36, 542813), (271, 72108), (542, 36054), (813, 24036), (1084, 18027), (1626, 12018), (2003, 9756), (2439, 8012), (3252, 6009), (4006, 4878)]