19193790021

素因数分解:

$3^1\times 7^1\times {\mathrm{16249}}^1\times {\mathrm{56249}}^1$

素因数の和:72508

約数の個数: 16

約数和(自身を含む): 29250000000

約数和(自身を除く): 10056209979

約数列:

[1, 3, 7, 21, 16249, 48747, 56249, 113743, 168747, 341229, 393743, 1181229, 913990001, 2741970003, 6397930007, 19193790021]

約数ペア:

[(1, 19193790021), (3, 6397930007), (7, 2741970003), (21, 913990001), (16249, 1181229), (48747, 393743), (56249, 341229), (113743, 168747)]