19645016056

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{5001277}}^1$

素因数の和:5001774

約数の個数: 16

約数和(自身を含む): 36909431640

約数和(自身を除く): 17264415584

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 5001277, 10002554, 20005108, 40010216, 2455627007, 4911254014, 9822508028, 19645016056]

約数ペア:

[(1, 19645016056), (2, 9822508028), (4, 4911254014), (8, 2455627007), (491, 40010216), (982, 20005108), (1964, 10002554), (3928, 5001277)]