2019013521

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{70229}}^1$

素因数の和:70313

約数の個数: 24

約数和(自身を含む): 3162035520

約数和(自身を除く): 1143021999

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1369, 4107, 9583, 28749, 70229, 210687, 491603, 1474809, 2598473, 7795419, 18189311, 54567933, 96143501, 288430503, 673004507, 2019013521]

約数ペア:

[(1, 2019013521), (3, 673004507), (7, 288430503), (21, 96143501), (37, 54567933), (111, 18189311), (259, 7795419), (777, 2598473), (1369, 1474809), (4107, 491603), (9583, 210687), (28749, 70229)]