2017991805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{372667}}^1$

素因数の和:372713

約数の個数: 24

約数和(自身を含む): 3407676192

約数和(自身を除く): 1389684387

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 372667, 1118001, 1863335, 5590005, 7080673, 21242019, 35403365, 106210095, 134532787, 403598361, 672663935, 2017991805]

約数ペア:

[(1, 2017991805), (3, 672663935), (5, 403598361), (15, 134532787), (19, 106210095), (57, 35403365), (95, 21242019), (285, 7080673), (361, 5590005), (1083, 1863335), (1805, 1118001), (5415, 372667)]