19892828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 35961072

約数和(自身を除く): 16068244

約数列:

[1, 2, 4, 37, 74, 148, 257, 514, 523, 1028, 1046, 2092, 9509, 19018, 19351, 38036, 38702, 77404, 134411, 268822, 537644, 4973207, 9946414, 19892828]

約数ペア:

[(1, 19892828), (2, 9946414), (4, 4973207), (37, 537644), (74, 268822), (148, 134411), (257, 77404), (514, 38702), (523, 38036), (1028, 19351), (1046, 19018), (2092, 9509)]