19853810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27197}}^1$

素因数の和:27277

約数の個数: 16

約数和(自身を含む): 36227736

約数和(自身を除く): 16373926

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 27197, 54394, 135985, 271970, 1985381, 3970762, 9926905, 19853810]

約数ペア:

[(1, 19853810), (2, 9926905), (5, 3970762), (10, 1985381), (73, 271970), (146, 135985), (365, 54394), (730, 27197)]