19010295

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 34598256

約数和(自身を除く): 15587961

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 643, 657, 1095, 1929, 1971, 3215, 3285, 5787, 5913, 9645, 9855, 17361, 28935, 29565, 46939, 52083, 86805, 140817, 234695, 260415, 422451, 704085, 1267353, 2112255, 3802059, 6336765, 19010295]

約数ペア:

[(1, 19010295), (3, 6336765), (5, 3802059), (9, 2112255), (15, 1267353), (27, 704085), (45, 422451), (73, 260415), (81, 234695), (135, 140817), (219, 86805), (365, 52083), (405, 46939), (643, 29565), (657, 28935), (1095, 17361), (1929, 9855), (1971, 9645), (3215, 5913), (3285, 5787)]