19235619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 33415200

約数和(自身を除く): 14179581

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 509, 663, 741, 969, 1527, 1989, 2223, 2907, 4199, 4581, 6617, 8653, 9671, 12597, 19851, 25959, 29013, 37791, 59553, 77877, 87039, 112489, 125723, 164407, 337467, 377169, 493221, 1012401, 1131507, 1479663, 2137291, 6411873, 19235619]

約数ペア:

[(1, 19235619), (3, 6411873), (9, 2137291), (13, 1479663), (17, 1131507), (19, 1012401), (39, 493221), (51, 377169), (57, 337467), (117, 164407), (153, 125723), (171, 112489), (221, 87039), (247, 77877), (323, 59553), (509, 37791), (663, 29013), (741, 25959), (969, 19851), (1527, 12597), (1989, 9671), (2223, 8653), (2907, 6617), (4199, 4581)]