18661258

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2473}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 35625600

約数和(自身を除く): 16964342

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2473, 3773, 4946, 7546, 17311, 27203, 34622, 54406, 121177, 190421, 242354, 380842, 848239, 1332947, 1696478, 2665894, 9330629, 18661258]

約数ペア:

[(1, 18661258), (2, 9330629), (7, 2665894), (11, 1696478), (14, 1332947), (22, 848239), (49, 380842), (77, 242354), (98, 190421), (154, 121177), (343, 54406), (539, 34622), (686, 27203), (1078, 17311), (2473, 7546), (3773, 4946)]