18970215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6763}}^1$

素因数の和:6799

約数の個数: 32

約数和(自身を含む): 35064576

約数和(自身を除く): 16094361

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6763, 20289, 33815, 74393, 101445, 114971, 223179, 344913, 371965, 574855, 1115895, 1264681, 1724565, 3794043, 6323405, 18970215]

約数ペア:

[(1, 18970215), (3, 6323405), (5, 3794043), (11, 1724565), (15, 1264681), (17, 1115895), (33, 574855), (51, 371965), (55, 344913), (85, 223179), (165, 114971), (187, 101445), (255, 74393), (561, 33815), (935, 20289), (2805, 6763)]