19842760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70867}}^1$

素因数の和:70885

約数の個数: 32

約数和(自身を含む): 51024960

約数和(自身を除く): 31182200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70867, 141734, 283468, 354335, 496069, 566936, 708670, 992138, 1417340, 1984276, 2480345, 2834680, 3968552, 4960690, 9921380, 19842760]

約数ペア:

[(1, 19842760), (2, 9921380), (4, 4960690), (5, 3968552), (7, 2834680), (8, 2480345), (10, 1984276), (14, 1417340), (20, 992138), (28, 708670), (35, 566936), (40, 496069), (56, 354335), (70, 283468), (140, 141734), (280, 70867)]