18764642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31379}}^1$

素因数の和:31417

約数の個数: 16

約数和(自身を含む): 31631040

約数和(自身を除く): 12866398

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31379, 62758, 407927, 721717, 815854, 1443434, 9382321, 18764642]

約数ペア:

[(1, 18764642), (2, 9382321), (13, 1443434), (23, 815854), (26, 721717), (46, 407927), (299, 62758), (598, 31379)]