19339155

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 37949184

約数和(自身を除く): 18610029

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1447, 1485, 2673, 4341, 4455, 7235, 13023, 13365, 15917, 21705, 39069, 47751, 65115, 79585, 117207, 143253, 195345, 238755, 351621, 429759, 586035, 716265, 1289277, 1758105, 2148795, 3867831, 6446385, 19339155]

約数ペア:

[(1, 19339155), (3, 6446385), (5, 3867831), (9, 2148795), (11, 1758105), (15, 1289277), (27, 716265), (33, 586035), (45, 429759), (55, 351621), (81, 238755), (99, 195345), (135, 143253), (165, 117207), (243, 79585), (297, 65115), (405, 47751), (495, 39069), (891, 21705), (1215, 15917), (1447, 13365), (1485, 13023), (2673, 7235), (4341, 4455)]