18375448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 25089512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 587, 602, 728, 1118, 1174, 1204, 2236, 2348, 2408, 3913, 4109, 4472, 4696, 7631, 7826, 8218, 15262, 15652, 16436, 25241, 30524, 31304, 32872, 50482, 53417, 61048, 100964, 106834, 176687, 201928, 213668, 328133, 353374, 427336, 656266, 706748, 1312532, 1413496, 2296931, 2625064, 4593862, 9187724, 18375448]

約数ペア:

[(1, 18375448), (2, 9187724), (4, 4593862), (7, 2625064), (8, 2296931), (13, 1413496), (14, 1312532), (26, 706748), (28, 656266), (43, 427336), (52, 353374), (56, 328133), (86, 213668), (91, 201928), (104, 176687), (172, 106834), (182, 100964), (301, 61048), (344, 53417), (364, 50482), (559, 32872), (587, 31304), (602, 30524), (728, 25241), (1118, 16436), (1174, 15652), (1204, 15262), (2236, 8218), (2348, 7826), (2408, 7631), (3913, 4696), (4109, 4472)]