19725914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 34063680

約数和(自身を除く): 14337766

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 547, 949, 1094, 1387, 1898, 2774, 7111, 10393, 14222, 18031, 20786, 36062, 39931, 79862, 135109, 270218, 519103, 758689, 1038206, 1517378, 9862957, 19725914]

約数ペア:

[(1, 19725914), (2, 9862957), (13, 1517378), (19, 1038206), (26, 758689), (38, 519103), (73, 270218), (146, 135109), (247, 79862), (494, 39931), (547, 36062), (949, 20786), (1094, 18031), (1387, 14222), (1898, 10393), (2774, 7111)]