19827724

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 21976052

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 431, 434, 742, 862, 868, 1484, 1643, 1724, 3017, 3286, 6034, 6572, 11501, 12068, 13361, 22843, 23002, 26722, 45686, 46004, 53444, 91372, 93527, 159901, 187054, 319802, 374108, 639604, 708133, 1416266, 2832532, 4956931, 9913862, 19827724]

約数ペア:

[(1, 19827724), (2, 9913862), (4, 4956931), (7, 2832532), (14, 1416266), (28, 708133), (31, 639604), (53, 374108), (62, 319802), (106, 187054), (124, 159901), (212, 93527), (217, 91372), (371, 53444), (431, 46004), (434, 45686), (742, 26722), (862, 23002), (868, 22843), (1484, 13361), (1643, 12068), (1724, 11501), (3017, 6572), (3286, 6034)]