19865712

素因数分解:

$2^4\times 3^1\times {\mathrm{413869}}^1$

素因数の和:413880

約数の個数: 20

約数和(自身を含む): 51319880

約数和(自身を除く): 31454168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 413869, 827738, 1241607, 1655476, 2483214, 3310952, 4966428, 6621904, 9932856, 19865712]

約数ペア:

[(1, 19865712), (2, 9932856), (3, 6621904), (4, 4966428), (6, 3310952), (8, 2483214), (12, 1655476), (16, 1241607), (24, 827738), (48, 413869)]