17931344

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 36173280

約数和(自身を除く): 18241936

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 344, 389, 536, 688, 778, 1072, 1556, 2881, 3112, 5762, 6224, 11524, 16727, 23048, 26063, 33454, 46096, 52126, 66908, 104252, 133816, 208504, 267632, 417008, 1120709, 2241418, 4482836, 8965672, 17931344]

約数ペア:

[(1, 17931344), (2, 8965672), (4, 4482836), (8, 2241418), (16, 1120709), (43, 417008), (67, 267632), (86, 208504), (134, 133816), (172, 104252), (268, 66908), (344, 52126), (389, 46096), (536, 33454), (688, 26063), (778, 23048), (1072, 16727), (1556, 11524), (2881, 6224), (3112, 5762)]