19018395

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 37320192

約数和(自身を除く): 18301797

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1423, 1485, 2673, 4269, 4455, 7115, 12807, 13365, 15653, 21345, 38421, 46959, 64035, 78265, 115263, 140877, 192105, 234795, 345789, 422631, 576315, 704385, 1267893, 1728945, 2113155, 3803679, 6339465, 19018395]

約数ペア:

[(1, 19018395), (3, 6339465), (5, 3803679), (9, 2113155), (11, 1728945), (15, 1267893), (27, 704385), (33, 576315), (45, 422631), (55, 345789), (81, 234795), (99, 192105), (135, 140877), (165, 115263), (243, 78265), (297, 64035), (405, 46959), (495, 38421), (891, 21345), (1215, 15653), (1423, 13365), (1485, 12807), (2673, 7115), (4269, 4455)]