18704601

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4357}}^1$

素因数の和:4422

約数の個数: 20

約数和(自身を含む): 28475172

約数和(自身を除く): 9770571

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4357, 13071, 39213, 117639, 230921, 352917, 692763, 2078289, 6234867, 18704601]

約数ペア:

[(1, 18704601), (3, 6234867), (9, 2078289), (27, 692763), (53, 352917), (81, 230921), (159, 117639), (477, 39213), (1431, 13071), (4293, 4357)]