18565563080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2847479}}^1$

素因数の和:2847653

約数の個数: 32

約数和(自身を含む): 42028804800

約数和(自身を除く): 23463241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 2847479, 5694958, 11389916, 14237395, 22779832, 28474790, 56949580, 113899160, 464139077, 928278154, 1856556308, 2320695385, 3713112616, 4641390770, 9282781540, 18565563080]

約数ペア:

[(1, 18565563080), (2, 9282781540), (4, 4641390770), (5, 3713112616), (8, 2320695385), (10, 1856556308), (20, 928278154), (40, 464139077), (163, 113899160), (326, 56949580), (652, 28474790), (815, 22779832), (1304, 14237395), (1630, 11389916), (3260, 5694958), (6520, 2847479)]