18759020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133993}}^1$

素因数の和:134009

約数の個数: 24

約数和(自身を含む): 45021984

約数和(自身を除く): 26262964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133993, 267986, 535972, 669965, 937951, 1339930, 1875902, 2679860, 3751804, 4689755, 9379510, 18759020]

約数ペア:

[(1, 18759020), (2, 9379510), (4, 4689755), (5, 3751804), (7, 2679860), (10, 1875902), (14, 1339930), (20, 937951), (28, 669965), (35, 535972), (70, 267986), (140, 133993)]