19777310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{787}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 21072610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 359, 718, 787, 1574, 1795, 2513, 3590, 3935, 5026, 5509, 7870, 11018, 12565, 25130, 27545, 55090, 282533, 565066, 1412665, 1977731, 2825330, 3955462, 9888655, 19777310]

約数ペア:

[(1, 19777310), (2, 9888655), (5, 3955462), (7, 2825330), (10, 1977731), (14, 1412665), (35, 565066), (70, 282533), (359, 55090), (718, 27545), (787, 25130), (1574, 12565), (1795, 11018), (2513, 7870), (3590, 5509), (3935, 5026)]