19257616

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 42983360

約数和(自身を除く): 23725744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1237, 1946, 2224, 2474, 3892, 4948, 7784, 8659, 9896, 15568, 17318, 19792, 34636, 69272, 138544, 171943, 343886, 687772, 1203601, 1375544, 2407202, 2751088, 4814404, 9628808, 19257616]

約数ペア:

[(1, 19257616), (2, 9628808), (4, 4814404), (7, 2751088), (8, 2407202), (14, 1375544), (16, 1203601), (28, 687772), (56, 343886), (112, 171943), (139, 138544), (278, 69272), (556, 34636), (973, 19792), (1112, 17318), (1237, 15568), (1946, 9896), (2224, 8659), (2474, 7784), (3892, 4948)]