19843954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1237}}^1$

素因数の和:1869

約数の個数: 16

約数和(自身を含む): 32133528

約数和(自身を除く): 12289574

約数列:

[1, 2, 13, 26, 617, 1234, 1237, 2474, 8021, 16042, 16081, 32162, 763229, 1526458, 9921977, 19843954]

約数ペア:

[(1, 19843954), (2, 9921977), (13, 1526458), (26, 763229), (617, 32162), (1234, 16081), (1237, 16042), (2474, 8021)]