19810872

素因数分解:

$2^3\times 3^3\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2293

約数の個数: 64

約数和(自身を含む): 56397600

約数和(自身を除く): 36586728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 82, 108, 123, 164, 216, 246, 328, 369, 492, 738, 984, 1107, 1476, 2214, 2237, 2952, 4428, 4474, 6711, 8856, 8948, 13422, 17896, 20133, 26844, 40266, 53688, 60399, 80532, 91717, 120798, 161064, 183434, 241596, 275151, 366868, 483192, 550302, 733736, 825453, 1100604, 1650906, 2201208, 2476359, 3301812, 4952718, 6603624, 9905436, 19810872]

約数ペア:

[(1, 19810872), (2, 9905436), (3, 6603624), (4, 4952718), (6, 3301812), (8, 2476359), (9, 2201208), (12, 1650906), (18, 1100604), (24, 825453), (27, 733736), (36, 550302), (41, 483192), (54, 366868), (72, 275151), (82, 241596), (108, 183434), (123, 161064), (164, 120798), (216, 91717), (246, 80532), (328, 60399), (369, 53688), (492, 40266), (738, 26844), (984, 20133), (1107, 17896), (1476, 13422), (2214, 8948), (2237, 8856), (2952, 6711), (4428, 4474)]