18161312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 38896200

約数和(自身を除く): 20734888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 149, 208, 293, 298, 416, 586, 596, 1172, 1192, 1937, 2344, 2384, 3809, 3874, 4688, 4768, 7618, 7748, 9376, 15236, 15496, 30472, 30992, 43657, 60944, 61984, 87314, 121888, 174628, 349256, 567541, 698512, 1135082, 1397024, 2270164, 4540328, 9080656, 18161312]

約数ペア:

[(1, 18161312), (2, 9080656), (4, 4540328), (8, 2270164), (13, 1397024), (16, 1135082), (26, 698512), (32, 567541), (52, 349256), (104, 174628), (149, 121888), (208, 87314), (293, 61984), (298, 60944), (416, 43657), (586, 30992), (596, 30472), (1172, 15496), (1192, 15236), (1937, 9376), (2344, 7748), (2384, 7618), (3809, 4768), (3874, 4688)]