19198880

素因数分解:

$2^5\times 5^1\times {\mathrm{119993}}^1$

素因数の和:120008

約数の個数: 24

約数和(自身を含む): 45357732

約数和(自身を除く): 26158852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 119993, 239986, 479972, 599965, 959944, 1199930, 1919888, 2399860, 3839776, 4799720, 9599440, 19198880]

約数ペア:

[(1, 19198880), (2, 9599440), (4, 4799720), (5, 3839776), (8, 2399860), (10, 1919888), (16, 1199930), (20, 959944), (32, 599965), (40, 479972), (80, 239986), (160, 119993)]