18994330

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1543}}^1$

素因数の和:2781

約数の個数: 16

約数和(自身を含む): 34239744

約数和(自身を除く): 15245414

約数列:

[1, 2, 5, 10, 1231, 1543, 2462, 3086, 6155, 7715, 12310, 15430, 1899433, 3798866, 9497165, 18994330]

約数ペア:

[(1, 18994330), (2, 9497165), (5, 3798866), (10, 1899433), (1231, 15430), (1543, 12310), (2462, 7715), (3086, 6155)]