18947085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3499}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 32004000

約数和(自身を除く): 13056915

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3499, 5415, 10497, 17495, 52485, 66481, 199443, 332405, 997215, 1263139, 3789417, 6315695, 18947085]

約数ペア:

[(1, 18947085), (3, 6315695), (5, 3789417), (15, 1263139), (19, 997215), (57, 332405), (95, 199443), (285, 66481), (361, 52485), (1083, 17495), (1805, 10497), (3499, 5415)]