20181978624

素因数分解:

$2^9\times 3^1\times {\mathrm{197}}^1\times {\mathrm{66697}}^1$

素因数の和:66915

約数の個数: 80

約数和(自身を含む): 54039786768

約数和(自身を除く): 33857808144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 256, 384, 394, 512, 591, 768, 788, 1182, 1536, 1576, 2364, 3152, 4728, 6304, 9456, 12608, 18912, 25216, 37824, 50432, 66697, 75648, 100864, 133394, 151296, 200091, 266788, 302592, 400182, 533576, 800364, 1067152, 1600728, 2134304, 3201456, 4268608, 6402912, 8537216, 12805824, 13139309, 17074432, 25611648, 26278618, 34148864, 39417927, 51223296, 52557236, 78835854, 102446592, 105114472, 157671708, 210228944, 315343416, 420457888, 630686832, 840915776, 1261373664, 1681831552, 2522747328, 3363663104, 5045494656, 6727326208, 10090989312, 20181978624]

約数ペア:

[(1, 20181978624), (2, 10090989312), (3, 6727326208), (4, 5045494656), (6, 3363663104), (8, 2522747328), (12, 1681831552), (16, 1261373664), (24, 840915776), (32, 630686832), (48, 420457888), (64, 315343416), (96, 210228944), (128, 157671708), (192, 105114472), (197, 102446592), (256, 78835854), (384, 52557236), (394, 51223296), (512, 39417927), (591, 34148864), (768, 26278618), (788, 25611648), (1182, 17074432), (1536, 13139309), (1576, 12805824), (2364, 8537216), (3152, 6402912), (4728, 4268608), (6304, 3201456), (9456, 2134304), (12608, 1600728), (18912, 1067152), (25216, 800364), (37824, 533576), (50432, 400182), (66697, 302592), (75648, 266788), (100864, 200091), (133394, 151296)]