17988783

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4919}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 7516497

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 4919, 14757, 113137, 260707, 339411, 782121, 5996261, 17988783]

約数ペア:

[(1, 17988783), (3, 5996261), (23, 782121), (53, 339411), (69, 260707), (159, 113137), (1219, 14757), (3657, 4919)]