19021240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67933}}^1$

素因数の和:67951

約数の個数: 32

約数和(自身を含む): 48912480

約数和(自身を除く): 29891240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67933, 135866, 271732, 339665, 475531, 543464, 679330, 951062, 1358660, 1902124, 2377655, 2717320, 3804248, 4755310, 9510620, 19021240]

約数ペア:

[(1, 19021240), (2, 9510620), (4, 4755310), (5, 3804248), (7, 2717320), (8, 2377655), (10, 1902124), (14, 1358660), (20, 951062), (28, 679330), (35, 543464), (40, 475531), (56, 339665), (70, 271732), (140, 135866), (280, 67933)]