19969983

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 33825792

約数和(自身を除く): 13855809

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 241, 243, 279, 297, 341, 723, 837, 891, 1023, 2169, 2511, 2651, 2673, 3069, 6507, 7471, 7533, 7953, 9207, 19521, 22413, 23859, 27621, 58563, 67239, 71577, 82181, 82863, 201717, 214731, 246543, 605151, 644193, 739629, 1815453, 2218887, 6656661, 19969983]

約数ペア:

[(1, 19969983), (3, 6656661), (9, 2218887), (11, 1815453), (27, 739629), (31, 644193), (33, 605151), (81, 246543), (93, 214731), (99, 201717), (241, 82863), (243, 82181), (279, 71577), (297, 67239), (341, 58563), (723, 27621), (837, 23859), (891, 22413), (1023, 19521), (2169, 9207), (2511, 7953), (2651, 7533), (2673, 7471), (3069, 6507)]