19836880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35423}}^1$

素因数の和:35443

約数の個数: 40

約数和(自身を含む): 52710912

約数和(自身を除く): 32874032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35423, 70846, 141692, 177115, 247961, 283384, 354230, 495922, 566768, 708460, 991844, 1239805, 1416920, 1983688, 2479610, 2833840, 3967376, 4959220, 9918440, 19836880]

約数ペア:

[(1, 19836880), (2, 9918440), (4, 4959220), (5, 3967376), (7, 2833840), (8, 2479610), (10, 1983688), (14, 1416920), (16, 1239805), (20, 991844), (28, 708460), (35, 566768), (40, 495922), (56, 354230), (70, 283384), (80, 247961), (112, 177115), (140, 141692), (280, 70846), (560, 35423)]