18877330

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{9781}}^1$

素因数の和:9981

約数の個数: 16

約数和(自身を含む): 34158744

約数和(自身を除く): 15281414

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 9781, 19562, 48905, 97810, 1887733, 3775466, 9438665, 18877330]

約数ペア:

[(1, 18877330), (2, 9438665), (5, 3775466), (10, 1887733), (193, 97810), (386, 48905), (965, 19562), (1930, 9781)]