19176784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108959}}^1$

素因数の和:108978

約数の個数: 20

約数和(自身を含む): 40533120

約数和(自身を除く): 21356336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108959, 217918, 435836, 871672, 1198549, 1743344, 2397098, 4794196, 9588392, 19176784]

約数ペア:

[(1, 19176784), (2, 9588392), (4, 4794196), (8, 2397098), (11, 1743344), (16, 1198549), (22, 871672), (44, 435836), (88, 217918), (176, 108959)]