19726672

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 24466928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 1979, 2492, 3958, 4984, 7916, 9968, 13853, 15832, 27706, 31664, 55412, 110824, 176131, 221648, 352262, 704524, 1232917, 1409048, 2465834, 2818096, 4931668, 9863336, 19726672]

約数ペア:

[(1, 19726672), (2, 9863336), (4, 4931668), (7, 2818096), (8, 2465834), (14, 1409048), (16, 1232917), (28, 704524), (56, 352262), (89, 221648), (112, 176131), (178, 110824), (356, 55412), (623, 31664), (712, 27706), (1246, 15832), (1424, 13853), (1979, 9968), (2492, 7916), (3958, 4984)]