19935856

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12097}}^1$

素因数の和:12208

約数の個数: 20

約数和(自身を含む): 39003952

約数和(自身を除く): 19068096

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12097, 24194, 48388, 96776, 193552, 1245991, 2491982, 4983964, 9967928, 19935856]

約数ペア:

[(1, 19935856), (2, 9967928), (4, 4983964), (8, 2491982), (16, 1245991), (103, 193552), (206, 96776), (412, 48388), (824, 24194), (1648, 12097)]