19886832

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 64544480

約数和(自身を除く): 44657648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 109, 112, 126, 144, 168, 181, 218, 252, 327, 336, 362, 436, 504, 543, 654, 724, 763, 872, 981, 1008, 1086, 1267, 1308, 1448, 1526, 1629, 1744, 1962, 2172, 2289, 2534, 2616, 2896, 3052, 3258, 3801, 3924, 4344, 4578, 5068, 5232, 6104, 6516, 6867, 7602, 7848, 8688, 9156, 10136, 11403, 12208, 13032, 13734, 15204, 15696, 18312, 19729, 20272, 22806, 26064, 27468, 30408, 36624, 39458, 45612, 54936, 59187, 60816, 78916, 91224, 109872, 118374, 138103, 157832, 177561, 182448, 236748, 276206, 315664, 355122, 414309, 473496, 552412, 710244, 828618, 946992, 1104824, 1242927, 1420488, 1657236, 2209648, 2485854, 2840976, 3314472, 4971708, 6628944, 9943416, 19886832]

約数ペア:

[(1, 19886832), (2, 9943416), (3, 6628944), (4, 4971708), (6, 3314472), (7, 2840976), (8, 2485854), (9, 2209648), (12, 1657236), (14, 1420488), (16, 1242927), (18, 1104824), (21, 946992), (24, 828618), (28, 710244), (36, 552412), (42, 473496), (48, 414309), (56, 355122), (63, 315664), (72, 276206), (84, 236748), (109, 182448), (112, 177561), (126, 157832), (144, 138103), (168, 118374), (181, 109872), (218, 91224), (252, 78916), (327, 60816), (336, 59187), (362, 54936), (436, 45612), (504, 39458), (543, 36624), (654, 30408), (724, 27468), (763, 26064), (872, 22806), (981, 20272), (1008, 19729), (1086, 18312), (1267, 15696), (1308, 15204), (1448, 13734), (1526, 13032), (1629, 12208), (1744, 11403), (1962, 10136), (2172, 9156), (2289, 8688), (2534, 7848), (2616, 7602), (2896, 6867), (3052, 6516), (3258, 6104), (3801, 5232), (3924, 5068), (4344, 4578)]