19373822

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:145

約数の個数: 36

約数和(自身を含む): 33256224

約数和(自身を除く): 13882402

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 169, 338, 403, 559, 806, 1118, 1333, 1849, 2666, 3698, 5239, 7267, 10478, 14534, 17329, 24037, 34658, 48074, 57319, 114638, 225277, 312481, 450554, 624962, 745147, 1490294, 9686911, 19373822]

約数ペア:

[(1, 19373822), (2, 9686911), (13, 1490294), (26, 745147), (31, 624962), (43, 450554), (62, 312481), (86, 225277), (169, 114638), (338, 57319), (403, 48074), (559, 34658), (806, 24037), (1118, 17329), (1333, 14534), (1849, 10478), (2666, 7267), (3698, 5239)]