19209540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45737}}^1$

素因数の和:45756

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 42262332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45737, 91474, 137211, 182948, 228685, 274422, 320159, 457370, 548844, 640318, 686055, 914740, 960477, 1280636, 1372110, 1600795, 1920954, 2744220, 3201590, 3841908, 4802385, 6403180, 9604770, 19209540]

約数ペア:

[(1, 19209540), (2, 9604770), (3, 6403180), (4, 4802385), (5, 3841908), (6, 3201590), (7, 2744220), (10, 1920954), (12, 1600795), (14, 1372110), (15, 1280636), (20, 960477), (21, 914740), (28, 686055), (30, 640318), (35, 548844), (42, 457370), (60, 320159), (70, 274422), (84, 228685), (105, 182948), (140, 137211), (210, 91474), (420, 45737)]