19819827

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 29983824

約数和(自身を除く): 10163997

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1123, 1961, 3369, 5883, 10107, 17649, 41551, 59519, 124653, 178557, 373959, 535671, 2202203, 6606609, 19819827]

約数ペア:

[(1, 19819827), (3, 6606609), (9, 2202203), (37, 535671), (53, 373959), (111, 178557), (159, 124653), (333, 59519), (477, 41551), (1123, 17649), (1961, 10107), (3369, 5883)]