19535320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9967}}^1$

素因数の和:9992

約数の個数: 48

約数和(自身を含む): 51135840

約数和(自身を除く): 31600520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9967, 19934, 39868, 49835, 69769, 79736, 99670, 139538, 199340, 279076, 348845, 398680, 488383, 558152, 697690, 976766, 1395380, 1953532, 2441915, 2790760, 3907064, 4883830, 9767660, 19535320]

約数ペア:

[(1, 19535320), (2, 9767660), (4, 4883830), (5, 3907064), (7, 2790760), (8, 2441915), (10, 1953532), (14, 1395380), (20, 976766), (28, 697690), (35, 558152), (40, 488383), (49, 398680), (56, 348845), (70, 279076), (98, 199340), (140, 139538), (196, 99670), (245, 79736), (280, 69769), (392, 49835), (490, 39868), (980, 19934), (1960, 9967)]