18197649

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1867}}^1$

素因数の和:1914

約数の個数: 24

約数和(自身を含む): 28468320

約数和(自身を除く): 10270671

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1867, 3249, 5601, 9747, 16803, 35473, 50409, 106419, 319257, 673987, 957771, 2021961, 6065883, 18197649]

約数ペア:

[(1, 18197649), (3, 6065883), (9, 2021961), (19, 957771), (27, 673987), (57, 319257), (171, 106419), (361, 50409), (513, 35473), (1083, 16803), (1867, 9747), (3249, 5601)]