18806384

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40531}}^1$

素因数の和:40568

約数の個数: 20

約数和(自身を含む): 37694760

約数和(自身を除く): 18888376

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40531, 81062, 162124, 324248, 648496, 1175399, 2350798, 4701596, 9403192, 18806384]

約数ペア:

[(1, 18806384), (2, 9403192), (4, 4701596), (8, 2350798), (16, 1175399), (29, 648496), (58, 324248), (116, 162124), (232, 81062), (464, 40531)]