19280481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 29638656

約数和(自身を除く): 10358175

約数列:

[1, 3, 11, 31, 33, 47, 93, 141, 341, 401, 517, 1023, 1203, 1457, 1551, 4371, 4411, 12431, 13233, 16027, 18847, 37293, 48081, 56541, 136741, 207317, 410223, 584257, 621951, 1752771, 6426827, 19280481]

約数ペア:

[(1, 19280481), (3, 6426827), (11, 1752771), (31, 621951), (33, 584257), (47, 410223), (93, 207317), (141, 136741), (341, 56541), (401, 48081), (517, 37293), (1023, 18847), (1203, 16027), (1457, 13233), (1551, 12431), (4371, 4411)]