19429292

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 36254736

約数和(自身を除く): 16825444

約数列:

[1, 2, 4, 37, 43, 71, 74, 86, 142, 148, 172, 284, 1591, 1849, 2627, 3053, 3182, 3698, 5254, 6106, 6364, 7396, 10508, 12212, 68413, 112961, 131279, 136826, 225922, 262558, 273652, 451844, 525116, 4857323, 9714646, 19429292]

約数ペア:

[(1, 19429292), (2, 9714646), (4, 4857323), (37, 525116), (43, 451844), (71, 273652), (74, 262558), (86, 225922), (142, 136826), (148, 131279), (172, 112961), (284, 68413), (1591, 12212), (1849, 10508), (2627, 7396), (3053, 6364), (3182, 6106), (3698, 5254)]