19685874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252383}}^1$

素因数の和:252401

約数の個数: 16

約数和(自身を含む): 42400512

約数和(自身を除く): 22714638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252383, 504766, 757149, 1514298, 3280979, 6561958, 9842937, 19685874]

約数ペア:

[(1, 19685874), (2, 9842937), (3, 6561958), (6, 3280979), (13, 1514298), (26, 757149), (39, 504766), (78, 252383)]