19819137

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 29854720

約数和(自身を除く): 10035583

約数列:

[1, 3, 13, 31, 39, 93, 97, 169, 291, 403, 507, 1209, 1261, 2197, 3007, 3783, 5239, 6591, 9021, 15717, 16393, 39091, 49179, 68107, 117273, 204321, 213109, 508183, 639327, 1524549, 6606379, 19819137]

約数ペア:

[(1, 19819137), (3, 6606379), (13, 1524549), (31, 639327), (39, 508183), (93, 213109), (97, 204321), (169, 117273), (291, 68107), (403, 49179), (507, 39091), (1209, 16393), (1261, 15717), (2197, 9021), (3007, 6591), (3783, 5239)]