19305945

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 35135496

約数和(自身を除く): 15829551

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 653, 657, 1095, 1959, 1971, 3265, 3285, 5877, 5913, 9795, 9855, 17631, 29385, 29565, 47669, 52893, 88155, 143007, 238345, 264465, 429021, 715035, 1287063, 2145105, 3861189, 6435315, 19305945]

約数ペア:

[(1, 19305945), (3, 6435315), (5, 3861189), (9, 2145105), (15, 1287063), (27, 715035), (45, 429021), (73, 264465), (81, 238345), (135, 143007), (219, 88155), (365, 52893), (405, 47669), (653, 29565), (657, 29385), (1095, 17631), (1959, 9855), (1971, 9795), (3265, 5913), (3285, 5877)]