19049840

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1049}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 44528400

約数和(自身を除く): 25478560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1049, 1135, 1816, 2098, 2270, 3632, 4196, 4540, 5245, 8392, 9080, 10490, 16784, 18160, 20980, 41960, 83920, 238123, 476246, 952492, 1190615, 1904984, 2381230, 3809968, 4762460, 9524920, 19049840]

約数ペア:

[(1, 19049840), (2, 9524920), (4, 4762460), (5, 3809968), (8, 2381230), (10, 1904984), (16, 1190615), (20, 952492), (40, 476246), (80, 238123), (227, 83920), (454, 41960), (908, 20980), (1049, 18160), (1135, 16784), (1816, 10490), (2098, 9080), (2270, 8392), (3632, 5245), (4196, 4540)]