18319609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 23623488

約数和(自身を除く): 5303879

約数列:

[1, 7, 11, 53, 67, 77, 371, 469, 583, 737, 3551, 4081, 4489, 5159, 24857, 31423, 39061, 49379, 237917, 273427, 345653, 1665419, 2617087, 18319609]

約数ペア:

[(1, 18319609), (7, 2617087), (11, 1665419), (53, 345653), (67, 273427), (77, 237917), (371, 49379), (469, 39061), (583, 31423), (737, 24857), (3551, 5159), (4081, 4489)]