19317441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 31102848

約数和(自身を除く): 11785407

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1217, 1221, 1443, 3651, 5291, 13387, 15821, 15873, 40161, 45029, 47463, 135087, 174031, 495319, 522093, 585377, 1485957, 1756131, 6439147, 19317441]

約数ペア:

[(1, 19317441), (3, 6439147), (11, 1756131), (13, 1485957), (33, 585377), (37, 522093), (39, 495319), (111, 174031), (143, 135087), (407, 47463), (429, 45029), (481, 40161), (1217, 15873), (1221, 15821), (1443, 13387), (3651, 5291)]