18287650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 35515584

約数和(自身を除く): 17227934

約数列:

[1, 2, 5, 10, 25, 50, 53, 67, 103, 106, 134, 206, 265, 335, 515, 530, 670, 1030, 1325, 1675, 2575, 2650, 3350, 3551, 5150, 5459, 6901, 7102, 10918, 13802, 17755, 27295, 34505, 35510, 54590, 69010, 88775, 136475, 172525, 177550, 272950, 345050, 365753, 731506, 1828765, 3657530, 9143825, 18287650]

約数ペア:

[(1, 18287650), (2, 9143825), (5, 3657530), (10, 1828765), (25, 731506), (50, 365753), (53, 345050), (67, 272950), (103, 177550), (106, 172525), (134, 136475), (206, 88775), (265, 69010), (335, 54590), (515, 35510), (530, 34505), (670, 27295), (1030, 17755), (1325, 13802), (1675, 10918), (2575, 7102), (2650, 6901), (3350, 5459), (3551, 5150)]