18380013

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 8473107

約数列:

[1, 3, 23, 41, 69, 73, 89, 123, 219, 267, 943, 1679, 2047, 2829, 2993, 3649, 5037, 6141, 6497, 8979, 10947, 19491, 68839, 83927, 149431, 206517, 251781, 266377, 448293, 799131, 6126671, 18380013]

約数ペア:

[(1, 18380013), (3, 6126671), (23, 799131), (41, 448293), (69, 266377), (73, 251781), (89, 206517), (123, 149431), (219, 83927), (267, 68839), (943, 19491), (1679, 10947), (2047, 8979), (2829, 6497), (2993, 6141), (3649, 5037)]