18728892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5717}}^1$

素因数の和:5747

約数の個数: 72

約数和(自身を含む): 58277856

約数和(自身を除く): 39548964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5717, 11434, 17151, 22868, 34302, 40019, 51453, 68604, 74321, 80038, 102906, 120057, 148642, 160076, 205812, 222963, 240114, 297284, 360171, 445926, 480228, 520247, 668889, 720342, 891852, 1040494, 1337778, 1440684, 1560741, 2080988, 2675556, 3121482, 4682223, 6242964, 9364446, 18728892]

約数ペア:

[(1, 18728892), (2, 9364446), (3, 6242964), (4, 4682223), (6, 3121482), (7, 2675556), (9, 2080988), (12, 1560741), (13, 1440684), (14, 1337778), (18, 1040494), (21, 891852), (26, 720342), (28, 668889), (36, 520247), (39, 480228), (42, 445926), (52, 360171), (63, 297284), (78, 240114), (84, 222963), (91, 205812), (117, 160076), (126, 148642), (156, 120057), (182, 102906), (234, 80038), (252, 74321), (273, 68604), (364, 51453), (468, 40019), (546, 34302), (819, 22868), (1092, 17151), (1638, 11434), (3276, 5717)]