19478212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2243}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 36945216

約数和(自身を除く): 17467004

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 2243, 4342, 4486, 8684, 8972, 29159, 58318, 116636, 374581, 749162, 1498324, 4869553, 9739106, 19478212]

約数ペア:

[(1, 19478212), (2, 9739106), (4, 4869553), (13, 1498324), (26, 749162), (52, 374581), (167, 116636), (334, 58318), (668, 29159), (2171, 8972), (2243, 8684), (4342, 4486)]