18609951

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 9038049

約数列:

[1, 3, 17, 31, 51, 79, 93, 149, 237, 447, 527, 1343, 1581, 2449, 2533, 4029, 4619, 7347, 7599, 11771, 13857, 35313, 41633, 78523, 124899, 200107, 235569, 364901, 600321, 1094703, 6203317, 18609951]

約数ペア:

[(1, 18609951), (3, 6203317), (17, 1094703), (31, 600321), (51, 364901), (79, 235569), (93, 200107), (149, 124899), (237, 78523), (447, 41633), (527, 35313), (1343, 13857), (1581, 11771), (2449, 7599), (2533, 7347), (4029, 4619)]