19931574964

素因数分解:

$2^2\times 7^4\times {\mathrm{499}}^1\times {\mathrm{4159}}^1$

素因数の和:4690

約数の個数: 60

約数和(自身を含む): 40782560000

約数和(自身を除く): 20850985036

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 499, 686, 998, 1372, 1996, 2401, 3493, 4159, 4802, 6986, 8318, 9604, 13972, 16636, 24451, 29113, 48902, 58226, 97804, 116452, 171157, 203791, 342314, 407582, 684628, 815164, 1198099, 1426537, 2075341, 2396198, 2853074, 4150682, 4792396, 5706148, 8301364, 9985759, 14527387, 19971518, 29054774, 39943036, 58109548, 101691709, 203383418, 406766836, 711841963, 1423683926, 2847367852, 4982893741, 9965787482, 19931574964]

約数ペア:

[(1, 19931574964), (2, 9965787482), (4, 4982893741), (7, 2847367852), (14, 1423683926), (28, 711841963), (49, 406766836), (98, 203383418), (196, 101691709), (343, 58109548), (499, 39943036), (686, 29054774), (998, 19971518), (1372, 14527387), (1996, 9985759), (2401, 8301364), (3493, 5706148), (4159, 4792396), (4802, 4150682), (6986, 2853074), (8318, 2396198), (9604, 2075341), (13972, 1426537), (16636, 1198099), (24451, 815164), (29113, 684628), (48902, 407582), (58226, 342314), (97804, 203791), (116452, 171157)]