18943964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3607}}^1$

素因数の和:3725

約数の個数: 24

約数和(自身を含む): 36065568

約数和(自身を除く): 17121604

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3607, 5252, 7214, 14428, 46891, 93782, 187564, 364307, 728614, 1457228, 4735991, 9471982, 18943964]

約数ペア:

[(1, 18943964), (2, 9471982), (4, 4735991), (13, 1457228), (26, 728614), (52, 364307), (101, 187564), (202, 93782), (404, 46891), (1313, 14428), (2626, 7214), (3607, 5252)]