18973448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 38521560

約数和(自身を除く): 19548112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 757, 964, 1514, 1928, 3028, 3133, 6056, 6266, 9841, 12532, 19682, 25064, 39364, 78728, 182437, 364874, 729748, 1459496, 2371681, 4743362, 9486724, 18973448]

約数ペア:

[(1, 18973448), (2, 9486724), (4, 4743362), (8, 2371681), (13, 1459496), (26, 729748), (52, 364874), (104, 182437), (241, 78728), (482, 39364), (757, 25064), (964, 19682), (1514, 12532), (1928, 9841), (3028, 6266), (3133, 6056)]