18452905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6430295

約数列:

[1, 5, 17, 31, 47, 85, 149, 155, 235, 527, 745, 799, 1457, 2533, 2635, 3995, 4619, 7003, 7285, 12665, 23095, 24769, 35015, 78523, 119051, 123845, 217093, 392615, 595255, 1085465, 3690581, 18452905]

約数ペア:

[(1, 18452905), (5, 3690581), (17, 1085465), (31, 595255), (47, 392615), (85, 217093), (149, 123845), (155, 119051), (235, 78523), (527, 35015), (745, 24769), (799, 23095), (1457, 12665), (2533, 7285), (2635, 7003), (3995, 4619)]