19797190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1021}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 40912704

約数和(自身を除く): 21115514

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 1021, 1385, 1939, 2042, 2770, 3878, 5105, 7147, 9695, 10210, 14294, 19390, 35735, 71470, 282817, 565634, 1414085, 1979719, 2828170, 3959438, 9898595, 19797190]

約数ペア:

[(1, 19797190), (2, 9898595), (5, 3959438), (7, 2828170), (10, 1979719), (14, 1414085), (35, 565634), (70, 282817), (277, 71470), (554, 35735), (1021, 19390), (1385, 14294), (1939, 10210), (2042, 9695), (2770, 7147), (3878, 5105)]