19739138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7753}}^1$

素因数の和:7841

約数の個数: 16

約数和(自身を含む): 31636320

約数和(自身を除く): 11897182

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7753, 15506, 147307, 294614, 519451, 1038902, 9869569, 19739138]

約数ペア:

[(1, 19739138), (2, 9869569), (19, 1038902), (38, 519451), (67, 294614), (134, 147307), (1273, 15506), (2546, 7753)]