19531428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 52450944

約数和(自身を除く): 32919516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1481, 1884, 2198, 2962, 3297, 4396, 4443, 5924, 6594, 8886, 10367, 13188, 17772, 20734, 31101, 41468, 62202, 124404, 232517, 465034, 697551, 930068, 1395102, 1627619, 2790204, 3255238, 4882857, 6510476, 9765714, 19531428]

約数ペア:

[(1, 19531428), (2, 9765714), (3, 6510476), (4, 4882857), (6, 3255238), (7, 2790204), (12, 1627619), (14, 1395102), (21, 930068), (28, 697551), (42, 465034), (84, 232517), (157, 124404), (314, 62202), (471, 41468), (628, 31101), (942, 20734), (1099, 17772), (1481, 13188), (1884, 10367), (2198, 8886), (2962, 6594), (3297, 5924), (4396, 4443)]