18200990

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1399}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 32810400

約数和(自身を除く): 14609410

約数列:

[1, 2, 5, 10, 1301, 1399, 2602, 2798, 6505, 6995, 13010, 13990, 1820099, 3640198, 9100495, 18200990]

約数ペア:

[(1, 18200990), (2, 9100495), (5, 3640198), (10, 1820099), (1301, 13990), (1399, 13010), (2602, 6995), (2798, 6505)]