1916156720

素因数分解:

$2^4\times 5^1\times {\mathrm{23951959}}^1$

素因数の和:23951972

約数の個数: 20

約数和(自身を含む): 4455064560

約数和(自身を除く): 2538907840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23951959, 47903918, 95807836, 119759795, 191615672, 239519590, 383231344, 479039180, 958078360, 1916156720]

約数ペア:

[(1, 1916156720), (2, 958078360), (4, 479039180), (5, 383231344), (8, 239519590), (10, 191615672), (16, 119759795), (20, 95807836), (40, 47903918), (80, 23951959)]