18499952

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 37217856

約数和(自身を除く): 18717904

約数列:

[1, 2, 4, 8, 16, 47, 73, 94, 146, 188, 292, 337, 376, 584, 674, 752, 1168, 1348, 2696, 3431, 5392, 6862, 13724, 15839, 24601, 27448, 31678, 49202, 54896, 63356, 98404, 126712, 196808, 253424, 393616, 1156247, 2312494, 4624988, 9249976, 18499952]

約数ペア:

[(1, 18499952), (2, 9249976), (4, 4624988), (8, 2312494), (16, 1156247), (47, 393616), (73, 253424), (94, 196808), (146, 126712), (188, 98404), (292, 63356), (337, 54896), (376, 49202), (584, 31678), (674, 27448), (752, 24601), (1168, 15839), (1348, 13724), (2696, 6862), (3431, 5392)]