19848141

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 31203900

約数和(自身を除く): 11355759

約数列:

[1, 3, 9, 19, 41, 57, 123, 149, 171, 361, 369, 447, 779, 1083, 1341, 2337, 2831, 3249, 6109, 7011, 8493, 14801, 18327, 25479, 44403, 53789, 54981, 116071, 133209, 161367, 348213, 484101, 1044639, 2205349, 6616047, 19848141]

約数ペア:

[(1, 19848141), (3, 6616047), (9, 2205349), (19, 1044639), (41, 484101), (57, 348213), (123, 161367), (149, 133209), (171, 116071), (361, 54981), (369, 53789), (447, 44403), (779, 25479), (1083, 18327), (1341, 14801), (2337, 8493), (2831, 7011), (3249, 6109)]