19321888

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 20957792

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 94, 116, 188, 232, 376, 443, 464, 752, 886, 928, 1363, 1504, 1772, 2726, 3544, 5452, 7088, 10904, 12847, 14176, 20821, 21808, 25694, 41642, 43616, 51388, 83284, 102776, 166568, 205552, 333136, 411104, 603809, 666272, 1207618, 2415236, 4830472, 9660944, 19321888]

約数ペア:

[(1, 19321888), (2, 9660944), (4, 4830472), (8, 2415236), (16, 1207618), (29, 666272), (32, 603809), (47, 411104), (58, 333136), (94, 205552), (116, 166568), (188, 102776), (232, 83284), (376, 51388), (443, 43616), (464, 41642), (752, 25694), (886, 21808), (928, 20821), (1363, 14176), (1504, 12847), (1772, 10904), (2726, 7088), (3544, 5452)]