19618760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70067}}^1$

素因数の和:70085

約数の個数: 32

約数和(自身を含む): 50448960

約数和(自身を除く): 30830200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70067, 140134, 280268, 350335, 490469, 560536, 700670, 980938, 1401340, 1961876, 2452345, 2802680, 3923752, 4904690, 9809380, 19618760]

約数ペア:

[(1, 19618760), (2, 9809380), (4, 4904690), (5, 3923752), (7, 2802680), (8, 2452345), (10, 1961876), (14, 1401340), (20, 980938), (28, 700670), (35, 560536), (40, 490469), (56, 350335), (70, 280268), (140, 140134), (280, 70067)]