16189720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10939}}^1$

素因数の和:10987

約数の個数: 32

約数和(自身を含む): 37414800

約数和(自身を除く): 21225080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 10939, 21878, 43756, 54695, 87512, 109390, 218780, 404743, 437560, 809486, 1618972, 2023715, 3237944, 4047430, 8094860, 16189720]

約数ペア:

[(1, 16189720), (2, 8094860), (4, 4047430), (5, 3237944), (8, 2023715), (10, 1618972), (20, 809486), (37, 437560), (40, 404743), (74, 218780), (148, 109390), (185, 87512), (296, 54695), (370, 43756), (740, 21878), (1480, 10939)]