19265193

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 29003520

約数和(自身を除く): 9738327

約数列:

[1, 3, 9, 29, 87, 223, 261, 331, 669, 993, 2007, 2979, 6467, 9599, 19401, 28797, 58203, 73813, 86391, 221439, 664317, 2140577, 6421731, 19265193]

約数ペア:

[(1, 19265193), (3, 6421731), (9, 2140577), (29, 664317), (87, 221439), (223, 86391), (261, 73813), (331, 58203), (669, 28797), (993, 19401), (2007, 9599), (2979, 6467)]