19162988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 36244320

約数和(自身を除く): 17081332

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 919, 1604, 1838, 3676, 5213, 10426, 11947, 20852, 23894, 47788, 368519, 737038, 1474076, 4790747, 9581494, 19162988]

約数ペア:

[(1, 19162988), (2, 9581494), (4, 4790747), (13, 1474076), (26, 737038), (52, 368519), (401, 47788), (802, 23894), (919, 20852), (1604, 11947), (1838, 10426), (3676, 5213)]