18843838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 30871368

約数和(自身を除く): 12027530

約数列:

[1, 2, 13, 26, 169, 197, 283, 338, 394, 566, 2561, 3679, 5122, 7358, 33293, 47827, 55751, 66586, 95654, 111502, 724763, 1449526, 9421919, 18843838]

約数ペア:

[(1, 18843838), (2, 9421919), (13, 1449526), (26, 724763), (169, 111502), (197, 95654), (283, 66586), (338, 55751), (394, 47827), (566, 33293), (2561, 7358), (3679, 5122)]