19253691

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10398789

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1979, 3243, 5937, 9729, 17811, 45517, 93013, 136551, 279039, 409653, 837117, 2139299, 6417897, 19253691]

約数ペア:

[(1, 19253691), (3, 6417897), (9, 2139299), (23, 837117), (47, 409653), (69, 279039), (141, 136551), (207, 93013), (423, 45517), (1081, 17811), (1979, 9729), (3243, 5937)]