19711832

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2687}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22866088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2687, 3668, 5374, 7336, 10748, 18809, 21496, 37618, 75236, 150472, 351997, 703994, 1407988, 2463979, 2815976, 4927958, 9855916, 19711832]

約数ペア:

[(1, 19711832), (2, 9855916), (4, 4927958), (7, 2815976), (8, 2463979), (14, 1407988), (28, 703994), (56, 351997), (131, 150472), (262, 75236), (524, 37618), (917, 21496), (1048, 18809), (1834, 10748), (2687, 7336), (3668, 5374)]