19221356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3671}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 25195156

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3671, 5236, 7342, 14684, 25697, 40381, 51394, 62407, 80762, 102788, 124814, 161524, 249628, 282667, 436849, 565334, 686477, 873698, 1130668, 1372954, 1747396, 2745908, 4805339, 9610678, 19221356]

約数ペア:

[(1, 19221356), (2, 9610678), (4, 4805339), (7, 2745908), (11, 1747396), (14, 1372954), (17, 1130668), (22, 873698), (28, 686477), (34, 565334), (44, 436849), (68, 282667), (77, 249628), (119, 161524), (154, 124814), (187, 102788), (238, 80762), (308, 62407), (374, 51394), (476, 40381), (748, 25697), (1309, 14684), (2618, 7342), (3671, 5236)]