19156988884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{21647}}^1\times {\mathrm{20113}}^1$

素因数の和:41775

約数の個数: 24

約数和(自身を含む): 36575941248

約数和(自身を除く): 17418952364

約数列:

[1, 2, 4, 11, 22, 44, 20113, 21647, 40226, 43294, 80452, 86588, 221243, 238117, 442486, 476234, 884972, 952468, 435386111, 870772222, 1741544444, 4789247221, 9578494442, 19156988884]

約数ペア:

[(1, 19156988884), (2, 9578494442), (4, 4789247221), (11, 1741544444), (22, 870772222), (44, 435386111), (20113, 952468), (21647, 884972), (40226, 476234), (43294, 442486), (80452, 238117), (86588, 221243)]