18847376

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 37926144

約数和(自身を除く): 19078768

約数列:

[1, 2, 4, 8, 16, 47, 71, 94, 142, 188, 284, 353, 376, 568, 706, 752, 1136, 1412, 2824, 3337, 5648, 6674, 13348, 16591, 25063, 26696, 33182, 50126, 53392, 66364, 100252, 132728, 200504, 265456, 401008, 1177961, 2355922, 4711844, 9423688, 18847376]

約数ペア:

[(1, 18847376), (2, 9423688), (4, 4711844), (8, 2355922), (16, 1177961), (47, 401008), (71, 265456), (94, 200504), (142, 132728), (188, 100252), (284, 66364), (353, 53392), (376, 50126), (568, 33182), (706, 26696), (752, 25063), (1136, 16591), (1412, 13348), (2824, 6674), (3337, 5648)]