18768834

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{613}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 48334080

約数和(自身を除く): 29565246

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 613, 729, 1134, 1226, 1458, 1701, 1839, 2187, 3402, 3678, 4291, 4374, 5103, 5517, 8582, 10206, 11034, 12873, 15309, 16551, 25746, 30618, 33102, 38619, 49653, 77238, 99306, 115857, 148959, 231714, 297918, 347571, 446877, 695142, 893754, 1042713, 1340631, 2085426, 2681262, 3128139, 6256278, 9384417, 18768834]

約数ペア:

[(1, 18768834), (2, 9384417), (3, 6256278), (6, 3128139), (7, 2681262), (9, 2085426), (14, 1340631), (18, 1042713), (21, 893754), (27, 695142), (42, 446877), (54, 347571), (63, 297918), (81, 231714), (126, 148959), (162, 115857), (189, 99306), (243, 77238), (378, 49653), (486, 38619), (567, 33102), (613, 30618), (729, 25746), (1134, 16551), (1226, 15309), (1458, 12873), (1701, 11034), (1839, 10206), (2187, 8582), (3402, 5517), (3678, 5103), (4291, 4374)]