18674986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 14272214

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1039, 1634, 2078, 8987, 11429, 17974, 19741, 22858, 39482, 44677, 89354, 217151, 434302, 491447, 848863, 982894, 1697726, 9337493, 18674986]

約数ペア:

[(1, 18674986), (2, 9337493), (11, 1697726), (19, 982894), (22, 848863), (38, 491447), (43, 434302), (86, 217151), (209, 89354), (418, 44677), (473, 39482), (817, 22858), (946, 19741), (1039, 17974), (1634, 11429), (2078, 8987)]