19003921923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2506783}}^1$

素因数の和:2506831

約数の個数: 24

約数和(自身を含む): 30562710528

約数和(自身を除く): 11558788605

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 2506783, 7520349, 17547481, 47628877, 52642443, 142886631, 333402139, 904948663, 1000206417, 2714845989, 6334640641, 19003921923]

約数ペア:

[(1, 19003921923), (3, 6334640641), (7, 2714845989), (19, 1000206417), (21, 904948663), (57, 333402139), (133, 142886631), (361, 52642443), (399, 47628877), (1083, 17547481), (2527, 7520349), (7581, 2506783)]