19750580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16189}}^1$

素因数の和:16259

約数の個数: 24

約数和(自身を含む): 42158760

約数和(自身を除く): 22408180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16189, 32378, 64756, 80945, 161890, 323780, 987529, 1975058, 3950116, 4937645, 9875290, 19750580]

約数ペア:

[(1, 19750580), (2, 9875290), (4, 4937645), (5, 3950116), (10, 1975058), (20, 987529), (61, 323780), (122, 161890), (244, 80945), (305, 64756), (610, 32378), (1220, 16189)]