18919570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 36381312

約数和(自身を除く): 17461742

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1913, 1978, 3826, 4945, 9565, 9890, 19130, 43999, 82259, 87998, 164518, 219995, 411295, 439990, 822590, 1891957, 3783914, 9459785, 18919570]

約数ペア:

[(1, 18919570), (2, 9459785), (5, 3783914), (10, 1891957), (23, 822590), (43, 439990), (46, 411295), (86, 219995), (115, 164518), (215, 87998), (230, 82259), (430, 43999), (989, 19130), (1913, 9890), (1978, 9565), (3826, 4945)]