18737308

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{9203}}^1$

素因数の和:9716

約数の個数: 12

約数和(自身を含む): 32858280

約数和(自身を除く): 14120972

約数列:

[1, 2, 4, 509, 1018, 2036, 9203, 18406, 36812, 4684327, 9368654, 18737308]

約数ペア:

[(1, 18737308), (2, 9368654), (4, 4684327), (509, 36812), (1018, 18406), (2036, 9203)]