15681340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21191}}^1$

素因数の和:21237

約数の個数: 24

約数和(自身を含む): 33822432

約数和(自身を除く): 18141092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21191, 42382, 84764, 105955, 211910, 423820, 784067, 1568134, 3136268, 3920335, 7840670, 15681340]

約数ペア:

[(1, 15681340), (2, 7840670), (4, 3920335), (5, 3136268), (10, 1568134), (20, 784067), (37, 423820), (74, 211910), (148, 105955), (185, 84764), (370, 42382), (740, 21191)]