19408860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107827}}^1$

素因数の和:107842

約数の個数: 36

約数和(自身を含む): 58874088

約数和(自身を除く): 39465228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 107827, 215654, 323481, 431308, 539135, 646962, 970443, 1078270, 1293924, 1617405, 1940886, 2156540, 3234810, 3881772, 4852215, 6469620, 9704430, 19408860]

約数ペア:

[(1, 19408860), (2, 9704430), (3, 6469620), (4, 4852215), (5, 3881772), (6, 3234810), (9, 2156540), (10, 1940886), (12, 1617405), (15, 1293924), (18, 1078270), (20, 970443), (30, 646962), (36, 539135), (45, 431308), (60, 323481), (90, 215654), (180, 107827)]