19226781

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4423}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 33976320

約数和(自身を除く): 14749539

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4423, 13269, 30961, 39807, 92883, 101729, 119421, 278649, 305187, 712103, 835947, 915561, 2136309, 2746683, 6408927, 19226781]

約数ペア:

[(1, 19226781), (3, 6408927), (7, 2746683), (9, 2136309), (21, 915561), (23, 835947), (27, 712103), (63, 305187), (69, 278649), (161, 119421), (189, 101729), (207, 92883), (483, 39807), (621, 30961), (1449, 13269), (4347, 4423)]