19877265

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1303}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 35677440

約数和(自身を除く): 15800175

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1303, 1695, 3051, 3909, 5085, 6515, 11727, 15255, 19545, 35181, 58635, 147239, 175905, 441717, 736195, 1325151, 2208585, 3975453, 6625755, 19877265]

約数ペア:

[(1, 19877265), (3, 6625755), (5, 3975453), (9, 2208585), (15, 1325151), (27, 736195), (45, 441717), (113, 175905), (135, 147239), (339, 58635), (565, 35181), (1017, 19545), (1303, 15255), (1695, 11727), (3051, 6515), (3909, 5085)]