199813518

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{258157}}^1$

素因数の和:258208

約数の個数: 24

約数和(自身を含む): 442999128

約数和(自身を除く): 243185610

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 258157, 516314, 774471, 1548942, 2323413, 4646826, 11100751, 22201502, 33302253, 66604506, 99906759, 199813518]

約数ペア:

[(1, 199813518), (2, 99906759), (3, 66604506), (6, 33302253), (9, 22201502), (18, 11100751), (43, 4646826), (86, 2323413), (129, 1548942), (258, 774471), (387, 516314), (774, 258157)]