18919935

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{971}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 32904144

約数和(自身を除く): 13984209

約数列:

[1, 3, 5, 9, 15, 45, 433, 971, 1299, 2165, 2913, 3897, 4855, 6495, 8739, 14565, 19485, 43695, 420443, 1261329, 2102215, 3783987, 6306645, 18919935]

約数ペア:

[(1, 18919935), (3, 6306645), (5, 3783987), (9, 2102215), (15, 1261329), (45, 420443), (433, 43695), (971, 19485), (1299, 14565), (2165, 8739), (2913, 6495), (3897, 4855)]