19250091

素因数分解:

$3^2\times 7^2\times {\mathrm{43651}}^1$

素因数の和:43671

約数の個数: 18

約数和(自身を含む): 32346132

約数和(自身を除く): 13096041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43651, 130953, 305557, 392859, 916671, 2138899, 2750013, 6416697, 19250091]

約数ペア:

[(1, 19250091), (3, 6416697), (7, 2750013), (9, 2138899), (21, 916671), (49, 392859), (63, 305557), (147, 130953), (441, 43651)]