9880190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 18900000

約数和(自身を除く): 9019810

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 349, 698, 745, 1490, 1745, 2831, 3490, 5662, 6631, 13262, 14155, 28310, 33155, 52001, 66310, 104002, 260005, 520010, 988019, 1976038, 4940095, 9880190]

約数ペア:

[(1, 9880190), (2, 4940095), (5, 1976038), (10, 988019), (19, 520010), (38, 260005), (95, 104002), (149, 66310), (190, 52001), (298, 33155), (349, 28310), (698, 14155), (745, 13262), (1490, 6631), (1745, 5662), (2831, 3490)]