19992654

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2785

約数の個数: 48

約数和(自身を含む): 48550320

約数和(自身を除く): 28557666

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2729, 3663, 5458, 7326, 8187, 16374, 24561, 30019, 49122, 60038, 90057, 100973, 180114, 201946, 270171, 302919, 540342, 605838, 908757, 1110703, 1817514, 2221406, 3332109, 6664218, 9996327, 19992654]

約数ペア:

[(1, 19992654), (2, 9996327), (3, 6664218), (6, 3332109), (9, 2221406), (11, 1817514), (18, 1110703), (22, 908757), (33, 605838), (37, 540342), (66, 302919), (74, 270171), (99, 201946), (111, 180114), (198, 100973), (222, 90057), (333, 60038), (407, 49122), (666, 30019), (814, 24561), (1221, 16374), (2442, 8187), (2729, 7326), (3663, 5458)]