19743931

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 21212928

約数和(自身を除く): 1468997

約数列:

[1, 31, 53, 61, 197, 1643, 1891, 3233, 6107, 10441, 12017, 100223, 323671, 372527, 636901, 19743931]

約数ペア:

[(1, 19743931), (31, 636901), (53, 372527), (61, 323671), (197, 100223), (1643, 12017), (1891, 10441), (3233, 6107)]