19860406

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 30361968

約数和(自身を除く): 10501562

約数列:

[1, 2, 83, 166, 181, 362, 661, 1322, 15023, 30046, 54863, 109726, 119641, 239282, 9930203, 19860406]

約数ペア:

[(1, 19860406), (2, 9930203), (83, 239282), (166, 119641), (181, 109726), (362, 54863), (661, 30046), (1322, 15023)]