18513676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 35804160

約数和(自身を除く): 17290484

約数列:

[1, 2, 4, 19, 38, 47, 71, 73, 76, 94, 142, 146, 188, 284, 292, 893, 1349, 1387, 1786, 2698, 2774, 3337, 3431, 3572, 5183, 5396, 5548, 6674, 6862, 10366, 13348, 13724, 20732, 63403, 65189, 98477, 126806, 130378, 196954, 243601, 253612, 260756, 393908, 487202, 974404, 4628419, 9256838, 18513676]

約数ペア:

[(1, 18513676), (2, 9256838), (4, 4628419), (19, 974404), (38, 487202), (47, 393908), (71, 260756), (73, 253612), (76, 243601), (94, 196954), (142, 130378), (146, 126806), (188, 98477), (284, 65189), (292, 63403), (893, 20732), (1349, 13724), (1387, 13348), (1786, 10366), (2698, 6862), (2774, 6674), (3337, 5548), (3431, 5396), (3572, 5183)]