19157704

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{55691}}^1$

素因数の和:55740

約数の個数: 16

約数和(自身を含む): 36756720

約数和(自身を除く): 17599016

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 55691, 111382, 222764, 445528, 2394713, 4789426, 9578852, 19157704]

約数ペア:

[(1, 19157704), (2, 9578852), (4, 4789426), (8, 2394713), (43, 445528), (86, 222764), (172, 111382), (344, 55691)]