18119469

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 26763264

約数和(自身を除く): 8643795

約数列:

[1, 3, 23, 31, 43, 69, 93, 129, 197, 591, 713, 989, 1333, 2139, 2967, 3999, 4531, 6107, 8471, 13593, 18321, 25413, 30659, 91977, 140461, 194833, 262601, 421383, 584499, 787803, 6039823, 18119469]

約数ペア:

[(1, 18119469), (3, 6039823), (23, 787803), (31, 584499), (43, 421383), (69, 262601), (93, 194833), (129, 140461), (197, 91977), (591, 30659), (713, 25413), (989, 18321), (1333, 13593), (2139, 8471), (2967, 6107), (3999, 4531)]