11973271990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{63017221}}^1$

素因数の和:63017247

約数の個数: 16

約数和(自身を含む): 22686199920

約数和(自身を除く): 10712927930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 63017221, 126034442, 315086105, 630172210, 1197327199, 2394654398, 5986635995, 11973271990]

約数ペア:

[(1, 11973271990), (2, 5986635995), (5, 2394654398), (10, 1197327199), (19, 630172210), (38, 315086105), (95, 126034442), (190, 63017221)]