18990582

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{243469}}^1$

素因数の和:243487

約数の個数: 16

約数和(自身を含む): 40902960

約数和(自身を除く): 21912378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 243469, 486938, 730407, 1460814, 3165097, 6330194, 9495291, 18990582]

約数ペア:

[(1, 18990582), (2, 9495291), (3, 6330194), (6, 3165097), (13, 1460814), (26, 730407), (39, 486938), (78, 243469)]