19264016

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22717}}^1$

素因数の和:22778

約数の個数: 20

約数和(自身を含む): 38029932

約数和(自身を除く): 18765916

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22717, 45434, 90868, 181736, 363472, 1204001, 2408002, 4816004, 9632008, 19264016]

約数ペア:

[(1, 19264016), (2, 9632008), (4, 4816004), (8, 2408002), (16, 1204001), (53, 363472), (106, 181736), (212, 90868), (424, 45434), (848, 22717)]