2018756403

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{621347}}^1$

素因数の和:621391

約数の個数: 18

約数和(自身を含む): 3077536644

約数和(自身を除く): 1058780241

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 621347, 1864041, 5592123, 11805593, 35416779, 106250337, 224306267, 672918801, 2018756403]

約数ペア:

[(1, 2018756403), (3, 672918801), (9, 224306267), (19, 106250337), (57, 35416779), (171, 11805593), (361, 5592123), (1083, 1864041), (3249, 621347)]