18299421

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 32138496

約数和(自身を除く): 13839075

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 173, 207, 219, 483, 511, 519, 657, 1211, 1449, 1533, 1557, 1679, 3633, 3979, 4599, 5037, 10899, 11753, 11937, 12629, 15111, 27853, 35259, 35811, 37887, 83559, 88403, 105777, 113661, 250677, 265209, 290467, 795627, 871401, 2033269, 2614203, 6099807, 18299421]

約数ペア:

[(1, 18299421), (3, 6099807), (7, 2614203), (9, 2033269), (21, 871401), (23, 795627), (63, 290467), (69, 265209), (73, 250677), (161, 113661), (173, 105777), (207, 88403), (219, 83559), (483, 37887), (511, 35811), (519, 35259), (657, 27853), (1211, 15111), (1449, 12629), (1533, 11937), (1557, 11753), (1679, 10899), (3633, 5037), (3979, 4599)]