19264912

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17971}}^1$

素因数の和:18046

約数の個数: 20

約数和(自身を含む): 37884976

約数和(自身を除く): 18620064

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17971, 35942, 71884, 143768, 287536, 1204057, 2408114, 4816228, 9632456, 19264912]

約数ペア:

[(1, 19264912), (2, 9632456), (4, 4816228), (8, 2408114), (16, 1204057), (67, 287536), (134, 143768), (268, 71884), (536, 35942), (1072, 17971)]