19311556540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4006547}}^1$

素因数の和:4006797

約数の個数: 24

約数和(自身を含む): 40722553872

約数和(自身を除く): 21410997332

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 4006547, 8013094, 16026188, 20032735, 40065470, 80130940, 965577827, 1931155654, 3862311308, 4827889135, 9655778270, 19311556540]

約数ペア:

[(1, 19311556540), (2, 9655778270), (4, 4827889135), (5, 3862311308), (10, 1931155654), (20, 965577827), (241, 80130940), (482, 40065470), (964, 20032735), (1205, 16026188), (2410, 8013094), (4820, 4006547)]