19391967

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1529

約数の個数: 40

約数和(自身を含む): 34569216

約数和(自身を除く): 15177249

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1487, 1863, 4347, 4461, 10409, 13041, 13383, 31227, 34201, 40149, 93681, 102603, 120447, 239407, 281043, 307809, 718221, 843129, 923427, 2154663, 2770281, 6463989, 19391967]

約数ペア:

[(1, 19391967), (3, 6463989), (7, 2770281), (9, 2154663), (21, 923427), (23, 843129), (27, 718221), (63, 307809), (69, 281043), (81, 239407), (161, 120447), (189, 102603), (207, 93681), (483, 40149), (567, 34201), (621, 31227), (1449, 13383), (1487, 13041), (1863, 10409), (4347, 4461)]