19940448888

素因数分解:

$2^3\times 3^3\times {\mathrm{331}}^1\times {\mathrm{278903}}^1$

素因数の和:279249

約数の個数: 64

約数和(自身を含む): 55557676800

約数和(自身を除く): 35617227912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5958, 7944, 8937, 11916, 17874, 23832, 35748, 71496, 278903, 557806, 836709, 1115612, 1673418, 2231224, 2510127, 3346836, 5020254, 6693672, 7530381, 10040508, 15060762, 20081016, 30121524, 60243048, 92316893, 184633786, 276950679, 369267572, 553901358, 738535144, 830852037, 1107802716, 1661704074, 2215605432, 2492556111, 3323408148, 4985112222, 6646816296, 9970224444, 19940448888]

約数ペア:

[(1, 19940448888), (2, 9970224444), (3, 6646816296), (4, 4985112222), (6, 3323408148), (8, 2492556111), (9, 2215605432), (12, 1661704074), (18, 1107802716), (24, 830852037), (27, 738535144), (36, 553901358), (54, 369267572), (72, 276950679), (108, 184633786), (216, 92316893), (331, 60243048), (662, 30121524), (993, 20081016), (1324, 15060762), (1986, 10040508), (2648, 7530381), (2979, 6693672), (3972, 5020254), (5958, 3346836), (7944, 2510127), (8937, 2231224), (11916, 1673418), (17874, 1115612), (23832, 836709), (35748, 557806), (71496, 278903)]