19640380030

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4947199}}^1$

素因数の和:4947603

約数の個数: 16

約数和(自身を含む): 35441740800

約数和(自身を除く): 15801360770

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 4947199, 9894398, 24735995, 49471990, 1964038003, 3928076006, 9820190015, 19640380030]

約数ペア:

[(1, 19640380030), (2, 9820190015), (5, 3928076006), (10, 1964038003), (397, 49471990), (794, 24735995), (1985, 9894398), (3970, 4947199)]