18413704

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 35544600

約数和(自身を除く): 17130896

約数列:

[1, 2, 4, 8, 61, 97, 122, 194, 244, 388, 389, 488, 776, 778, 1556, 3112, 5917, 11834, 23668, 23729, 37733, 47336, 47458, 75466, 94916, 150932, 189832, 301864, 2301713, 4603426, 9206852, 18413704]

約数ペア:

[(1, 18413704), (2, 9206852), (4, 4603426), (8, 2301713), (61, 301864), (97, 189832), (122, 150932), (194, 94916), (244, 75466), (388, 47458), (389, 47336), (488, 37733), (776, 23729), (778, 23668), (1556, 11834), (3112, 5917)]