18042031

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 22855680

約数和(自身を除く): 4813649

約数列:

[1, 7, 29, 31, 47, 61, 203, 217, 329, 427, 899, 1363, 1457, 1769, 1891, 2867, 6293, 9541, 10199, 12383, 13237, 20069, 42253, 54839, 83143, 88877, 295771, 383873, 582001, 622139, 2577433, 18042031]

約数ペア:

[(1, 18042031), (7, 2577433), (29, 622139), (31, 582001), (47, 383873), (61, 295771), (203, 88877), (217, 83143), (329, 54839), (427, 42253), (899, 20069), (1363, 13237), (1457, 12383), (1769, 10199), (1891, 9541), (2867, 6293)]