19424205

素因数分解:

$3^6\times 5^1\times {\mathrm{73}}^2$

素因数の和:169

約数の個数: 42

約数和(自身を含む): 35432874

約数和(自身を除く): 16008669

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 243, 365, 405, 657, 729, 1095, 1215, 1971, 3285, 3645, 5329, 5913, 9855, 15987, 17739, 26645, 29565, 47961, 53217, 79935, 88695, 143883, 239805, 266085, 431649, 719415, 1294947, 2158245, 3884841, 6474735, 19424205]

約数ペア:

[(1, 19424205), (3, 6474735), (5, 3884841), (9, 2158245), (15, 1294947), (27, 719415), (45, 431649), (73, 266085), (81, 239805), (135, 143883), (219, 88695), (243, 79935), (365, 53217), (405, 47961), (657, 29565), (729, 26645), (1095, 17739), (1215, 15987), (1971, 9855), (3285, 5913), (3645, 5329)]