18874422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 47074560

約数和(自身を除く): 28200138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 919, 978, 1141, 1467, 1838, 2282, 2757, 2934, 3423, 5514, 6433, 6846, 8271, 10269, 12866, 16542, 19299, 20538, 38598, 57897, 115794, 149797, 299594, 449391, 898782, 1048579, 1348173, 2097158, 2696346, 3145737, 6291474, 9437211, 18874422]

約数ペア:

[(1, 18874422), (2, 9437211), (3, 6291474), (6, 3145737), (7, 2696346), (9, 2097158), (14, 1348173), (18, 1048579), (21, 898782), (42, 449391), (63, 299594), (126, 149797), (163, 115794), (326, 57897), (489, 38598), (919, 20538), (978, 19299), (1141, 16542), (1467, 12866), (1838, 10269), (2282, 8271), (2757, 6846), (2934, 6433), (3423, 5514)]