18525836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 20987764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 359, 388, 532, 679, 718, 1358, 1436, 1843, 2513, 2716, 3686, 5026, 6821, 7372, 10052, 12901, 13642, 25802, 27284, 34823, 47747, 51604, 69646, 95494, 139292, 190988, 243761, 487522, 661637, 975044, 1323274, 2646548, 4631459, 9262918, 18525836]

約数ペア:

[(1, 18525836), (2, 9262918), (4, 4631459), (7, 2646548), (14, 1323274), (19, 975044), (28, 661637), (38, 487522), (76, 243761), (97, 190988), (133, 139292), (194, 95494), (266, 69646), (359, 51604), (388, 47747), (532, 34823), (679, 27284), (718, 25802), (1358, 13642), (1436, 12901), (1843, 10052), (2513, 7372), (2716, 6821), (3686, 5026)]