19522672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 22099664

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 1997, 2444, 3994, 4888, 7988, 9776, 15976, 25961, 31952, 51922, 93859, 103844, 187718, 207688, 375436, 415376, 750872, 1220167, 1501744, 2440334, 4880668, 9761336, 19522672]

約数ペア:

[(1, 19522672), (2, 9761336), (4, 4880668), (8, 2440334), (13, 1501744), (16, 1220167), (26, 750872), (47, 415376), (52, 375436), (94, 207688), (104, 187718), (188, 103844), (208, 93859), (376, 51922), (611, 31952), (752, 25961), (1222, 15976), (1997, 9776), (2444, 7988), (3994, 4888)]