18167440

素因数分解:

$2^4\times 5^1\times {\mathrm{227093}}^1$

素因数の和:227106

約数の個数: 20

約数和(自身を含む): 42239484

約数和(自身を除く): 24072044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227093, 454186, 908372, 1135465, 1816744, 2270930, 3633488, 4541860, 9083720, 18167440]

約数ペア:

[(1, 18167440), (2, 9083720), (4, 4541860), (5, 3633488), (8, 2270930), (10, 1816744), (16, 1135465), (20, 908372), (40, 454186), (80, 227093)]