18488390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 15864250

約数列:

[1, 2, 5, 10, 47, 94, 139, 235, 278, 283, 470, 566, 695, 1390, 1415, 2830, 6533, 13066, 13301, 26602, 32665, 39337, 65330, 66505, 78674, 133010, 196685, 393370, 1848839, 3697678, 9244195, 18488390]

約数ペア:

[(1, 18488390), (2, 9244195), (5, 3697678), (10, 1848839), (47, 393370), (94, 196685), (139, 133010), (235, 78674), (278, 66505), (283, 65330), (470, 39337), (566, 32665), (695, 26602), (1390, 13301), (1415, 13066), (2830, 6533)]