19809609

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1531}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 27943680

約数和(自身を除く): 8134071

約数列:

[1, 3, 19, 57, 227, 681, 1531, 4313, 4593, 12939, 29089, 87267, 347537, 1042611, 6603203, 19809609]

約数ペア:

[(1, 19809609), (3, 6603203), (19, 1042611), (57, 347537), (227, 87267), (681, 29089), (1531, 12939), (4313, 4593)]