18710874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11423}}^1$

素因数の和:11451

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 31189158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11423, 22846, 34269, 68538, 79961, 102807, 148499, 159922, 205614, 239883, 296998, 445497, 479766, 719649, 890994, 1039493, 1336491, 1439298, 2078986, 2672982, 3118479, 6236958, 9355437, 18710874]

約数ペア:

[(1, 18710874), (2, 9355437), (3, 6236958), (6, 3118479), (7, 2672982), (9, 2078986), (13, 1439298), (14, 1336491), (18, 1039493), (21, 890994), (26, 719649), (39, 479766), (42, 445497), (63, 296998), (78, 239883), (91, 205614), (117, 159922), (126, 148499), (182, 102807), (234, 79961), (273, 68538), (546, 34269), (819, 22846), (1638, 11423)]