19752159

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6229}}^1$

素因数の和:6390

約数の個数: 16

約数和(自身を含む): 30302720

約数和(自身を除く): 10550561

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6229, 18687, 43603, 130809, 940579, 2821737, 6584053, 19752159]

約数ペア:

[(1, 19752159), (3, 6584053), (7, 2821737), (21, 940579), (151, 130809), (453, 43603), (1057, 18687), (3171, 6229)]