18847664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107089}}^1$

素因数の和:107108

約数の個数: 20

約数和(自身を含む): 39837480

約数和(自身を除く): 20989816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107089, 214178, 428356, 856712, 1177979, 1713424, 2355958, 4711916, 9423832, 18847664]

約数ペア:

[(1, 18847664), (2, 9423832), (4, 4711916), (8, 2355958), (11, 1713424), (16, 1177979), (22, 856712), (44, 428356), (88, 214178), (176, 107089)]