18850384

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3643

約数の個数: 40

約数和(自身を含む): 42640128

約数和(自身を除く): 23789744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3581, 5264, 7162, 14324, 25067, 28648, 50134, 57296, 100268, 168307, 200536, 336614, 401072, 673228, 1178149, 1346456, 2356298, 2692912, 4712596, 9425192, 18850384]

約数ペア:

[(1, 18850384), (2, 9425192), (4, 4712596), (7, 2692912), (8, 2356298), (14, 1346456), (16, 1178149), (28, 673228), (47, 401072), (56, 336614), (94, 200536), (112, 168307), (188, 100268), (329, 57296), (376, 50134), (658, 28648), (752, 25067), (1316, 14324), (2632, 7162), (3581, 5264)]