18988879821

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{1741}}^1\times {\mathrm{24077}}^1$

素因数の和:25972

約数の個数: 16

約数和(自身を含む): 25501876608

約数和(自身を除く): 6512996787

約数列:

[1, 3, 151, 453, 1741, 5223, 24077, 72231, 262891, 788673, 3635627, 10906881, 41918057, 125754171, 6329626607, 18988879821]

約数ペア:

[(1, 18988879821), (3, 6329626607), (151, 125754171), (453, 41918057), (1741, 10906881), (5223, 3635627), (24077, 788673), (72231, 262891)]