18836706850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{673943}}^1$

素因数の和:674011

約数の個数: 48

約数和(自身を含む): 38608903872

約数和(自身を除く): 19772197022

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 5590, 13975, 27950, 673943, 1347886, 3369715, 6739430, 8761259, 16848575, 17522518, 28979549, 33697150, 43806295, 57959098, 87612590, 144897745, 219031475, 289795490, 376734137, 438062950, 724488725, 753468274, 1448977450, 1883670685, 3767341370, 9418353425, 18836706850]

約数ペア:

[(1, 18836706850), (2, 9418353425), (5, 3767341370), (10, 1883670685), (13, 1448977450), (25, 753468274), (26, 724488725), (43, 438062950), (50, 376734137), (65, 289795490), (86, 219031475), (130, 144897745), (215, 87612590), (325, 57959098), (430, 43806295), (559, 33697150), (650, 28979549), (1075, 17522518), (1118, 16848575), (2150, 8761259), (2795, 6739430), (5590, 3369715), (13975, 1347886), (27950, 673943)]