19802418

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 21755982

約数列:

[1, 2, 3, 6, 29, 58, 73, 87, 146, 174, 219, 438, 1559, 2117, 3118, 4234, 4677, 6351, 9354, 12702, 45211, 90422, 113807, 135633, 227614, 271266, 341421, 682842, 3300403, 6600806, 9901209, 19802418]

約数ペア:

[(1, 19802418), (2, 9901209), (3, 6600806), (6, 3300403), (29, 682842), (58, 341421), (73, 271266), (87, 227614), (146, 135633), (174, 113807), (219, 90422), (438, 45211), (1559, 12702), (2117, 9354), (3118, 6351), (4234, 4677)]