18489812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20882668

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1301, 2602, 3553, 5204, 7106, 14212, 14311, 22117, 24719, 28622, 44234, 49438, 57244, 88468, 98876, 243287, 271909, 420223, 486574, 543818, 840446, 973148, 1087636, 1680892, 4622453, 9244906, 18489812]

約数ペア:

[(1, 18489812), (2, 9244906), (4, 4622453), (11, 1680892), (17, 1087636), (19, 973148), (22, 840446), (34, 543818), (38, 486574), (44, 420223), (68, 271909), (76, 243287), (187, 98876), (209, 88468), (323, 57244), (374, 49438), (418, 44234), (646, 28622), (748, 24719), (836, 22117), (1292, 14311), (1301, 14212), (2602, 7106), (3553, 5204)]