19942090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{821}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 41192064

約数和(自身を除く): 21249974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 821, 1642, 1735, 2429, 3470, 4105, 4858, 5747, 8210, 11494, 12145, 24290, 28735, 57470, 284887, 569774, 1424435, 1994209, 2848870, 3988418, 9971045, 19942090]

約数ペア:

[(1, 19942090), (2, 9971045), (5, 3988418), (7, 2848870), (10, 1994209), (14, 1424435), (35, 569774), (70, 284887), (347, 57470), (694, 28735), (821, 24290), (1642, 12145), (1735, 11494), (2429, 8210), (3470, 5747), (4105, 4858)]