19959696

素因数分解:

$2^4\times 3^4\times {\mathrm{15401}}^1$

素因数の和:15421

約数の個数: 50

約数和(自身を含む): 57772902

約数和(自身を除く): 37813206

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15401, 30802, 46203, 61604, 92406, 123208, 138609, 184812, 246416, 277218, 369624, 415827, 554436, 739248, 831654, 1108872, 1247481, 1663308, 2217744, 2494962, 3326616, 4989924, 6653232, 9979848, 19959696]

約数ペア:

[(1, 19959696), (2, 9979848), (3, 6653232), (4, 4989924), (6, 3326616), (8, 2494962), (9, 2217744), (12, 1663308), (16, 1247481), (18, 1108872), (24, 831654), (27, 739248), (36, 554436), (48, 415827), (54, 369624), (72, 277218), (81, 246416), (108, 184812), (144, 138609), (162, 123208), (216, 92406), (324, 61604), (432, 46203), (648, 30802), (1296, 15401)]