2019997371

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1576891}}^1$

素因数の和:1576962

約数の個数: 16

約数和(自身を含む): 3128553728

約数和(自身を除く): 1108556357

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1576891, 4730673, 11038237, 33114711, 96190351, 288571053, 673332457, 2019997371]

約数ペア:

[(1, 2019997371), (3, 673332457), (7, 288571053), (21, 96190351), (61, 33114711), (183, 11038237), (427, 4730673), (1281, 1576891)]