19925862008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{415607}}^1$

素因数の和:416087

約数の個数: 32

約数和(自身を含む): 40322288160

約数和(自身を除く): 20396426152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 461, 922, 1844, 3688, 5993, 11986, 23972, 47944, 415607, 831214, 1662428, 3324856, 5402891, 10805782, 21611564, 43223128, 191594827, 383189654, 766379308, 1532758616, 2490732751, 4981465502, 9962931004, 19925862008]

約数ペア:

[(1, 19925862008), (2, 9962931004), (4, 4981465502), (8, 2490732751), (13, 1532758616), (26, 766379308), (52, 383189654), (104, 191594827), (461, 43223128), (922, 21611564), (1844, 10805782), (3688, 5402891), (5993, 3324856), (11986, 1662428), (23972, 831214), (47944, 415607)]