19887612

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{3181}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 46508112

約数和(自身を除く): 26620500

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3126, 3181, 6252, 6362, 9543, 12724, 19086, 38172, 1657301, 3314602, 4971903, 6629204, 9943806, 19887612]

約数ペア:

[(1, 19887612), (2, 9943806), (3, 6629204), (4, 4971903), (6, 3314602), (12, 1657301), (521, 38172), (1042, 19086), (1563, 12724), (2084, 9543), (3126, 6362), (3181, 6252)]