19947746

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8431}}^1$

素因数の和:8466

約数の個数: 24

約数和(自身を含む): 37033344

約数和(自身を除く): 17085598

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8431, 16862, 59017, 109603, 118034, 219206, 767221, 1424839, 1534442, 2849678, 9973873, 19947746]

約数ペア:

[(1, 19947746), (2, 9973873), (7, 2849678), (13, 1534442), (14, 1424839), (26, 767221), (91, 219206), (169, 118034), (182, 109603), (338, 59017), (1183, 16862), (2366, 8431)]