19155915

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4783}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 33583680

約数和(自身を除く): 14427765

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 4783, 14349, 23915, 43047, 71745, 215235, 425687, 1277061, 2128435, 3831183, 6385305, 19155915]

約数ペア:

[(1, 19155915), (3, 6385305), (5, 3831183), (9, 2128435), (15, 1277061), (45, 425687), (89, 215235), (267, 71745), (445, 43047), (801, 23915), (1335, 14349), (4005, 4783)]