19962578

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 24

約数和(自身を含む): 32388048

約数和(自身を除く): 12425470

約数列:

[1, 2, 19, 38, 43, 86, 361, 643, 722, 817, 1286, 1634, 12217, 15523, 24434, 27649, 31046, 55298, 232123, 464246, 525331, 1050662, 9981289, 19962578]

約数ペア:

[(1, 19962578), (2, 9981289), (19, 1050662), (38, 525331), (43, 464246), (86, 232123), (361, 55298), (643, 31046), (722, 27649), (817, 24434), (1286, 15523), (1634, 12217)]