19813672

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 19195928

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 257, 419, 514, 838, 1028, 1676, 2056, 3352, 5911, 9637, 11822, 19274, 23644, 38548, 47288, 77096, 107683, 215366, 430732, 861464, 2476709, 4953418, 9906836, 19813672]

約数ペア:

[(1, 19813672), (2, 9906836), (4, 4953418), (8, 2476709), (23, 861464), (46, 430732), (92, 215366), (184, 107683), (257, 77096), (419, 47288), (514, 38548), (838, 23644), (1028, 19274), (1676, 11822), (2056, 9637), (3352, 5911)]