19811772

素因数分解:

$2^2\times 3^2\times {\mathrm{353}}^1\times {\mathrm{1559}}^1$

素因数の和:1922

約数の個数: 36

約数和(自身を含む): 50253840

約数和(自身を除く): 30442068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353, 706, 1059, 1412, 1559, 2118, 3118, 3177, 4236, 4677, 6236, 6354, 9354, 12708, 14031, 18708, 28062, 56124, 550327, 1100654, 1650981, 2201308, 3301962, 4952943, 6603924, 9905886, 19811772]

約数ペア:

[(1, 19811772), (2, 9905886), (3, 6603924), (4, 4952943), (6, 3301962), (9, 2201308), (12, 1650981), (18, 1100654), (36, 550327), (353, 56124), (706, 28062), (1059, 18708), (1412, 14031), (1559, 12708), (2118, 9354), (3118, 6354), (3177, 6236), (4236, 4677)]