19400331

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 26578944

約数和(自身を除く): 7178613

約数列:

[1, 3, 47, 141, 223, 617, 669, 1851, 10481, 28999, 31443, 86997, 137591, 412773, 6466777, 19400331]

約数ペア:

[(1, 19400331), (3, 6466777), (47, 412773), (141, 137591), (223, 86997), (617, 31443), (669, 28999), (1851, 10481)]