19247728

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1487}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 37363680

約数和(自身を除く): 18115952

約数列:

[1, 2, 4, 8, 16, 809, 1487, 1618, 2974, 3236, 5948, 6472, 11896, 12944, 23792, 1202983, 2405966, 4811932, 9623864, 19247728]

約数ペア:

[(1, 19247728), (2, 9623864), (4, 4811932), (8, 2405966), (16, 1202983), (809, 23792), (1487, 12944), (1618, 11896), (2974, 6472), (3236, 5948)]