18390008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25261}}^1$

素因数の和:25287

約数の個数: 32

約数和(自身を含む): 42440160

約数和(自身を除く): 24050152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 25261, 50522, 101044, 176827, 202088, 328393, 353654, 656786, 707308, 1313572, 1414616, 2298751, 2627144, 4597502, 9195004, 18390008]

約数ペア:

[(1, 18390008), (2, 9195004), (4, 4597502), (7, 2627144), (8, 2298751), (13, 1414616), (14, 1313572), (26, 707308), (28, 656786), (52, 353654), (56, 328393), (91, 202088), (104, 176827), (182, 101044), (364, 50522), (728, 25261)]