19998121824

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2239933}}^1$

素因数の和:2239980

約数の個数: 72

約数和(自身を含む): 58704190272

約数和(自身を除く): 38706068448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 2239933, 4479866, 6719799, 8959732, 13439598, 17919464, 20159397, 26879196, 35838928, 40318794, 53758392, 69437923, 71677856, 80637588, 107516784, 138875846, 161275176, 208313769, 215033568, 277751692, 322550352, 416627538, 555503384, 624941307, 645100704, 833255076, 1111006768, 1249882614, 1666510152, 2222013536, 2499765228, 3333020304, 4999530456, 6666040608, 9999060912, 19998121824]

約数ペア:

[(1, 19998121824), (2, 9999060912), (3, 6666040608), (4, 4999530456), (6, 3333020304), (8, 2499765228), (9, 2222013536), (12, 1666510152), (16, 1249882614), (18, 1111006768), (24, 833255076), (31, 645100704), (32, 624941307), (36, 555503384), (48, 416627538), (62, 322550352), (72, 277751692), (93, 215033568), (96, 208313769), (124, 161275176), (144, 138875846), (186, 107516784), (248, 80637588), (279, 71677856), (288, 69437923), (372, 53758392), (496, 40318794), (558, 35838928), (744, 26879196), (992, 20159397), (1116, 17919464), (1488, 13439598), (2232, 8959732), (2976, 6719799), (4464, 4479866), (8928, 2239933)]