219025424

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{16921}}^1$

素因数の和:17738

約数の個数: 20

約数和(自身を含む): 424911420

約数和(自身を除く): 205885996

約数列:

[1, 2, 4, 8, 16, 809, 1618, 3236, 6472, 12944, 16921, 33842, 67684, 135368, 270736, 13689089, 27378178, 54756356, 109512712, 219025424]

約数ペア:

[(1, 219025424), (2, 109512712), (4, 54756356), (8, 27378178), (16, 13689089), (809, 270736), (1618, 135368), (3236, 67684), (6472, 33842), (12944, 16921)]