17938396

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 37610496

約数和(自身を除く): 19672100

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 317, 329, 602, 634, 658, 1204, 1268, 1316, 2021, 2219, 4042, 4438, 8084, 8876, 13631, 14147, 14899, 27262, 28294, 29798, 54524, 56588, 59596, 95417, 104293, 190834, 208586, 381668, 417172, 640657, 1281314, 2562628, 4484599, 8969198, 17938396]

約数ペア:

[(1, 17938396), (2, 8969198), (4, 4484599), (7, 2562628), (14, 1281314), (28, 640657), (43, 417172), (47, 381668), (86, 208586), (94, 190834), (172, 104293), (188, 95417), (301, 59596), (317, 56588), (329, 54524), (602, 29798), (634, 28294), (658, 27262), (1204, 14899), (1268, 14147), (1316, 13631), (2021, 8876), (2219, 8084), (4042, 4438)]