19906504

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{37139}}^1$

素因数の和:37212

約数の個数: 16

約数和(自身を含む): 37882800

約数和(自身を除く): 17976296

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 37139, 74278, 148556, 297112, 2488313, 4976626, 9953252, 19906504]

約数ペア:

[(1, 19906504), (2, 9953252), (4, 4976626), (8, 2488313), (67, 297112), (134, 148556), (268, 74278), (536, 37139)]