19781046

素因数分解:

$2^1\times 3^2\times {\mathrm{683}}^1\times {\mathrm{1609}}^1$

素因数の和:2300

約数の個数: 24

約数和(自身を含む): 42948360

約数和(自身を除く): 23167314

約数列:

[1, 2, 3, 6, 9, 18, 683, 1366, 1609, 2049, 3218, 4098, 4827, 6147, 9654, 12294, 14481, 28962, 1098947, 2197894, 3296841, 6593682, 9890523, 19781046]

約数ペア:

[(1, 19781046), (2, 9890523), (3, 6593682), (6, 3296841), (9, 2197894), (18, 1098947), (683, 28962), (1366, 14481), (1609, 12294), (2049, 9654), (3218, 6147), (4098, 4827)]