219989106

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{643243}}^1$

素因数の和:643270

約数の個数: 24

約数和(自身を含む): 501730320

約数和(自身を除く): 281741214

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 643243, 1286486, 1929729, 3859458, 5789187, 11578374, 12221617, 24443234, 36664851, 73329702, 109994553, 219989106]

約数ペア:

[(1, 219989106), (2, 109994553), (3, 73329702), (6, 36664851), (9, 24443234), (18, 12221617), (19, 11578374), (38, 5789187), (57, 3859458), (114, 1929729), (171, 1286486), (342, 643243)]