19250756

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 40212480

約数和(自身を除く): 20961724

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 271, 301, 413, 542, 602, 826, 1084, 1204, 1652, 1897, 2537, 3794, 5074, 7588, 10148, 11653, 15989, 17759, 23306, 31978, 35518, 46612, 63956, 71036, 81571, 111923, 163142, 223846, 326284, 447692, 687527, 1375054, 2750108, 4812689, 9625378, 19250756]

約数ペア:

[(1, 19250756), (2, 9625378), (4, 4812689), (7, 2750108), (14, 1375054), (28, 687527), (43, 447692), (59, 326284), (86, 223846), (118, 163142), (172, 111923), (236, 81571), (271, 71036), (301, 63956), (413, 46612), (542, 35518), (602, 31978), (826, 23306), (1084, 17759), (1204, 15989), (1652, 11653), (1897, 10148), (2537, 7588), (3794, 5074)]