1880781518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12212867}}^1$

素因数の和:12212887

約数の個数: 16

約数和(自身を含む): 3517305984

約数和(自身を除く): 1636524466

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 12212867, 24425734, 85490069, 134341537, 170980138, 268683074, 940390759, 1880781518]

約数ペア:

[(1, 1880781518), (2, 940390759), (7, 268683074), (11, 170980138), (14, 134341537), (22, 85490069), (77, 24425734), (154, 12212867)]