19980664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227053}}^1$

素因数の和:227070

約数の個数: 16

約数和(自身を含む): 40869720

約数和(自身を除く): 20889056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227053, 454106, 908212, 1816424, 2497583, 4995166, 9990332, 19980664]

約数ペア:

[(1, 19980664), (2, 9990332), (4, 4995166), (8, 2497583), (11, 1816424), (22, 908212), (44, 454106), (88, 227053)]