18926648

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13999}}^1$

素因数の和:14031

約数の個数: 24

約数和(自身を含む): 38430000

約数和(自身を除く): 19503352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13999, 27998, 55996, 111992, 181987, 363974, 727948, 1455896, 2365831, 4731662, 9463324, 18926648]

約数ペア:

[(1, 18926648), (2, 9463324), (4, 4731662), (8, 2365831), (13, 1455896), (26, 727948), (52, 363974), (104, 181987), (169, 111992), (338, 55996), (676, 27998), (1352, 13999)]