18736580

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4127}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 20793148

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4127, 4540, 8254, 16508, 20635, 41270, 82540, 936829, 1873658, 3747316, 4684145, 9368290, 18736580]

約数ペア:

[(1, 18736580), (2, 9368290), (4, 4684145), (5, 3747316), (10, 1873658), (20, 936829), (227, 82540), (454, 41270), (908, 20635), (1135, 16508), (2270, 8254), (4127, 4540)]