19713570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 47442240

約数和(自身を除く): 27728670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 509, 1018, 1291, 1527, 2545, 2582, 3054, 3873, 5090, 6455, 7635, 7746, 12910, 15270, 19365, 38730, 657119, 1314238, 1971357, 3285595, 3942714, 6571190, 9856785, 19713570]

約数ペア:

[(1, 19713570), (2, 9856785), (3, 6571190), (5, 3942714), (6, 3285595), (10, 1971357), (15, 1314238), (30, 657119), (509, 38730), (1018, 19365), (1291, 15270), (1527, 12910), (2545, 7746), (2582, 7635), (3054, 6455), (3873, 5090)]