18780010

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9533}}^1$

素因数の和:9737

約数の個数: 16

約数和(自身を含む): 33979176

約数和(自身を除く): 15199166

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 9533, 19066, 47665, 95330, 1878001, 3756002, 9390005, 18780010]

約数ペア:

[(1, 18780010), (2, 9390005), (5, 3756002), (10, 1878001), (197, 95330), (394, 47665), (985, 19066), (1970, 9533)]