19935258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67807}}^1$

素因数の和:67826

約数の個数: 24

約数和(自身を含む): 46380672

約数和(自身を除く): 26445414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 67807, 135614, 203421, 406842, 474649, 949298, 1423947, 2847894, 3322543, 6645086, 9967629, 19935258]

約数ペア:

[(1, 19935258), (2, 9967629), (3, 6645086), (6, 3322543), (7, 2847894), (14, 1423947), (21, 949298), (42, 474649), (49, 406842), (98, 203421), (147, 135614), (294, 67807)]