19863315

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6217}}^1$

素因数の和:6299

約数の個数: 24

約数和(自身を含む): 34920288

約数和(自身を除く): 15056973

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6217, 18651, 31085, 55953, 93255, 279765, 441407, 1324221, 2207035, 3972663, 6621105, 19863315]

約数ペア:

[(1, 19863315), (3, 6621105), (5, 3972663), (9, 2207035), (15, 1324221), (45, 441407), (71, 279765), (213, 93255), (355, 55953), (639, 31085), (1065, 18651), (3195, 6217)]