18737030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11087}}^1$

素因数の和:11120

約数の個数: 24

約数和(自身を含む): 36523872

約数和(自身を除く): 17786842

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11087, 22174, 55435, 110870, 144131, 288262, 720655, 1441310, 1873703, 3747406, 9368515, 18737030]

約数ペア:

[(1, 18737030), (2, 9368515), (5, 3747406), (10, 1873703), (13, 1441310), (26, 720655), (65, 288262), (130, 144131), (169, 110870), (338, 55435), (845, 22174), (1690, 11087)]