19819203

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 27038976

約数和(自身を除く): 7219773

約数列:

[1, 3, 67, 151, 201, 453, 653, 1959, 10117, 30351, 43751, 98603, 131253, 295809, 6606401, 19819203]

約数ペア:

[(1, 19819203), (3, 6606401), (67, 295809), (151, 131253), (201, 98603), (453, 43751), (653, 30351), (1959, 10117)]