18287255

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8323945

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 419, 1015, 1247, 1505, 2095, 2933, 6235, 8729, 12151, 14665, 18017, 43645, 60755, 85057, 90085, 126119, 425285, 522493, 630595, 2612465, 3657451, 18287255]

約数ペア:

[(1, 18287255), (5, 3657451), (7, 2612465), (29, 630595), (35, 522493), (43, 425285), (145, 126119), (203, 90085), (215, 85057), (301, 60755), (419, 43645), (1015, 18017), (1247, 14665), (1505, 12151), (2095, 8729), (2933, 6235)]