19923452

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 37034928

約数和(自身を除く): 17111476

約数列:

[1, 2, 4, 31, 62, 71, 73, 124, 142, 146, 284, 292, 961, 1922, 2201, 2263, 3844, 4402, 4526, 5183, 8804, 9052, 10366, 20732, 68231, 70153, 136462, 140306, 160673, 272924, 280612, 321346, 642692, 4980863, 9961726, 19923452]

約数ペア:

[(1, 19923452), (2, 9961726), (4, 4980863), (31, 642692), (62, 321346), (71, 280612), (73, 272924), (124, 160673), (142, 140306), (146, 136462), (284, 70153), (292, 68231), (961, 20732), (1922, 10366), (2201, 9052), (2263, 8804), (3844, 5183), (4402, 4526)]