18850930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1367}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 20153486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1367, 1379, 1970, 2734, 2758, 6835, 6895, 9569, 13670, 13790, 19138, 47845, 95690, 269299, 538598, 1346495, 1885093, 2692990, 3770186, 9425465, 18850930]

約数ペア:

[(1, 18850930), (2, 9425465), (5, 3770186), (7, 2692990), (10, 1885093), (14, 1346495), (35, 538598), (70, 269299), (197, 95690), (394, 47845), (985, 19138), (1367, 13790), (1379, 13670), (1970, 9569), (2734, 6895), (2758, 6835)]