19865742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5923}}^1$

素因数の和:5984

約数の個数: 32

約数和(自身を含む): 43790208

約数和(自身を除く): 23924466

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 5923, 11846, 17769, 35538, 76999, 153998, 230997, 254689, 461994, 509378, 764067, 1528134, 3310957, 6621914, 9932871, 19865742]

約数ペア:

[(1, 19865742), (2, 9932871), (3, 6621914), (6, 3310957), (13, 1528134), (26, 764067), (39, 509378), (43, 461994), (78, 254689), (86, 230997), (129, 153998), (258, 76999), (559, 35538), (1118, 17769), (1677, 11846), (3354, 5923)]