18728704

素因数分解:

$2^8\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 37711800

約数和(自身を除く): 18983096

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 298, 491, 596, 982, 1192, 1964, 2384, 3928, 4768, 7856, 9536, 15712, 19072, 31424, 38144, 62848, 73159, 125696, 146318, 292636, 585272, 1170544, 2341088, 4682176, 9364352, 18728704]

約数ペア:

[(1, 18728704), (2, 9364352), (4, 4682176), (8, 2341088), (16, 1170544), (32, 585272), (64, 292636), (128, 146318), (149, 125696), (256, 73159), (298, 62848), (491, 38144), (596, 31424), (982, 19072), (1192, 15712), (1964, 9536), (2384, 7856), (3928, 4768)]