19726341

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 9884667

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 251, 391, 753, 1139, 1173, 1541, 3417, 4267, 4623, 5773, 12801, 16817, 17319, 26197, 50451, 78591, 98141, 285889, 294423, 386791, 857667, 1160373, 6575447, 19726341]

約数ペア:

[(1, 19726341), (3, 6575447), (17, 1160373), (23, 857667), (51, 386791), (67, 294423), (69, 285889), (201, 98141), (251, 78591), (391, 50451), (753, 26197), (1139, 17319), (1173, 16817), (1541, 12801), (3417, 5773), (4267, 4623)]