19724978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108379}}^1$

素因数の和:108401

約数の個数: 16

約数和(自身を含む): 36415680

約数和(自身を除く): 16690702

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 108379, 216758, 758653, 1408927, 1517306, 2817854, 9862489, 19724978]

約数ペア:

[(1, 19724978), (2, 9862489), (7, 2817854), (13, 1517306), (14, 1408927), (26, 758653), (91, 216758), (182, 108379)]