19840533

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 27181056

約数和(自身を除く): 7340523

約数列:

[1, 3, 47, 141, 223, 631, 669, 1893, 10481, 29657, 31443, 88971, 140713, 422139, 6613511, 19840533]

約数ペア:

[(1, 19840533), (3, 6613511), (47, 422139), (141, 140713), (223, 88971), (631, 31443), (669, 29657), (1893, 10481)]