18983345

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4301455

約数列:

[1, 5, 83, 149, 307, 415, 745, 1535, 12367, 25481, 45743, 61835, 127405, 228715, 3796669, 18983345]

約数ペア:

[(1, 18983345), (5, 3796669), (83, 228715), (149, 127405), (307, 61835), (415, 45743), (745, 25481), (1535, 12367)]