19781304

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{7703}}^1$

素因数の和:7819

約数の個数: 32

約数和(自身を含む): 49921920

約数和(自身を除く): 30140616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 7703, 15406, 23109, 30812, 46218, 61624, 92436, 184872, 824221, 1648442, 2472663, 3296884, 4945326, 6593768, 9890652, 19781304]

約数ペア:

[(1, 19781304), (2, 9890652), (3, 6593768), (4, 4945326), (6, 3296884), (8, 2472663), (12, 1648442), (24, 824221), (107, 184872), (214, 92436), (321, 61624), (428, 46218), (642, 30812), (856, 23109), (1284, 15406), (2568, 7703)]