18642309

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5879}}^1$

素因数の和:6040

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 9958011

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 5879, 17637, 41153, 123459, 887729, 2663187, 6214103, 18642309]

約数ペア:

[(1, 18642309), (3, 6214103), (7, 2663187), (21, 887729), (151, 123459), (453, 41153), (1057, 17637), (3171, 5879)]