18240650

素因数分解:

$2^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{743}}^1$

素因数の和:1246

約数の個数: 24

約数和(自身を含む): 34042464

約数和(自身を除く): 15801814

約数列:

[1, 2, 5, 10, 25, 50, 491, 743, 982, 1486, 2455, 3715, 4910, 7430, 12275, 18575, 24550, 37150, 364813, 729626, 1824065, 3648130, 9120325, 18240650]

約数ペア:

[(1, 18240650), (2, 9120325), (5, 3648130), (10, 1824065), (25, 729626), (50, 364813), (491, 37150), (743, 24550), (982, 18575), (1486, 12275), (2455, 7430), (3715, 4910)]