201818608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15439}}^1$

素因数の和:15509

約数の個数: 40

約数和(自身を含む): 421203200

約数和(自身を除く): 219384592

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15439, 30878, 61756, 123512, 247024, 293341, 586682, 663877, 1173364, 1327754, 2346728, 2655508, 4693456, 5311016, 10622032, 12613663, 25227326, 50454652, 100909304, 201818608]

約数ペア:

[(1, 201818608), (2, 100909304), (4, 50454652), (8, 25227326), (16, 12613663), (19, 10622032), (38, 5311016), (43, 4693456), (76, 2655508), (86, 2346728), (152, 1327754), (172, 1173364), (304, 663877), (344, 586682), (688, 293341), (817, 247024), (1634, 123512), (3268, 61756), (6536, 30878), (13072, 15439)]