18412155

素因数分解:

$3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{661}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 32014320

約数和(自身を除く): 13602165

約数列:

[1, 3, 5, 9, 15, 45, 619, 661, 1857, 1983, 3095, 3305, 5571, 5949, 9285, 9915, 27855, 29745, 409159, 1227477, 2045795, 3682431, 6137385, 18412155]

約数ペア:

[(1, 18412155), (3, 6137385), (5, 3682431), (9, 2045795), (15, 1227477), (45, 409159), (619, 29745), (661, 27855), (1857, 9915), (1983, 9285), (3095, 5949), (3305, 5571)]