19158993

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3011}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 31951296

約数和(自身を除く): 12792303

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 3011, 6363, 9033, 21077, 27099, 63231, 189693, 304111, 912333, 2128777, 2736999, 6386331, 19158993]

約数ペア:

[(1, 19158993), (3, 6386331), (7, 2736999), (9, 2128777), (21, 912333), (63, 304111), (101, 189693), (303, 63231), (707, 27099), (909, 21077), (2121, 9033), (3011, 6363)]