18862090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11161}}^1$

素因数の和:11194

約数の個数: 24

約数和(自身を含む): 36767628

約数和(自身を除く): 17905538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11161, 22322, 55805, 111610, 145093, 290186, 725465, 1450930, 1886209, 3772418, 9431045, 18862090]

約数ペア:

[(1, 18862090), (2, 9431045), (5, 3772418), (10, 1886209), (13, 1450930), (26, 725465), (65, 290186), (130, 145093), (169, 111610), (338, 55805), (845, 22322), (1690, 11161)]