18827307

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{947}}^1$

素因数の和:1047

約数の個数: 18

約数和(自身を含む): 27815268

約数和(自身を除く): 8987961

約数列:

[1, 3, 9, 47, 141, 423, 947, 2209, 2841, 6627, 8523, 19881, 44509, 133527, 400581, 2091923, 6275769, 18827307]

約数ペア:

[(1, 18827307), (3, 6275769), (9, 2091923), (47, 400581), (141, 133527), (423, 44509), (947, 19881), (2209, 8523), (2841, 6627)]