18123320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1601}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 40947120

約数和(自身を除く): 22823800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1601, 2264, 2830, 3202, 5660, 6404, 8005, 11320, 12808, 16010, 32020, 64040, 453083, 906166, 1812332, 2265415, 3624664, 4530830, 9061660, 18123320]

約数ペア:

[(1, 18123320), (2, 9061660), (4, 4530830), (5, 3624664), (8, 2265415), (10, 1812332), (20, 906166), (40, 453083), (283, 64040), (566, 32020), (1132, 16010), (1415, 12808), (1601, 11320), (2264, 8005), (2830, 6404), (3202, 5660)]