19487538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 48549696

約数和(自身を除く): 29062158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 733, 1266, 1466, 1477, 1899, 2199, 2954, 3798, 4398, 4431, 5131, 6597, 8862, 10262, 13194, 13293, 15393, 26586, 30786, 46179, 92358, 154663, 309326, 463989, 927978, 1082641, 1391967, 2165282, 2783934, 3247923, 6495846, 9743769, 19487538]

約数ペア:

[(1, 19487538), (2, 9743769), (3, 6495846), (6, 3247923), (7, 2783934), (9, 2165282), (14, 1391967), (18, 1082641), (21, 927978), (42, 463989), (63, 309326), (126, 154663), (211, 92358), (422, 46179), (633, 30786), (733, 26586), (1266, 15393), (1466, 13293), (1477, 13194), (1899, 10262), (2199, 8862), (2954, 6597), (3798, 5131), (4398, 4431)]