18484395

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 12094293

約数列:

[1, 3, 5, 15, 47, 141, 157, 167, 235, 471, 501, 705, 785, 835, 2355, 2505, 7379, 7849, 22137, 23547, 26219, 36895, 39245, 78657, 110685, 117735, 131095, 393285, 1232293, 3696879, 6161465, 18484395]

約数ペア:

[(1, 18484395), (3, 6161465), (5, 3696879), (15, 1232293), (47, 393285), (141, 131095), (157, 117735), (167, 110685), (235, 78657), (471, 39245), (501, 36895), (705, 26219), (785, 23547), (835, 22137), (2355, 7849), (2505, 7379)]