18149446

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 34318080

約数和(自身を除く): 16168634

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 71, 133, 142, 217, 266, 434, 497, 589, 961, 994, 1178, 1349, 1922, 2201, 2698, 4123, 4402, 6727, 8246, 9443, 13454, 15407, 18259, 18886, 30814, 36518, 41819, 68231, 83638, 127813, 136462, 255626, 292733, 477617, 585466, 955234, 1296389, 2592778, 9074723, 18149446]

約数ペア:

[(1, 18149446), (2, 9074723), (7, 2592778), (14, 1296389), (19, 955234), (31, 585466), (38, 477617), (62, 292733), (71, 255626), (133, 136462), (142, 127813), (217, 83638), (266, 68231), (434, 41819), (497, 36518), (589, 30814), (961, 18886), (994, 18259), (1178, 15407), (1349, 13454), (1922, 9443), (2201, 8246), (2698, 6727), (4123, 4402)]