18776218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10513}}^1$

素因数の和:10581

約数の個数: 16

約数和(自身を含む): 30280320

約数和(自身を除く): 11504102

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10513, 21026, 199747, 399494, 494111, 988222, 9388109, 18776218]

約数ペア:

[(1, 18776218), (2, 9388109), (19, 988222), (38, 494111), (47, 399494), (94, 199747), (893, 21026), (1786, 10513)]