19956972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1231}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 53537792

約数和(自身を除く): 33580820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 193, 386, 579, 772, 1158, 1231, 1351, 2316, 2462, 2702, 3693, 4053, 4924, 5404, 7386, 8106, 8617, 14772, 16212, 17234, 25851, 34468, 51702, 103404, 237583, 475166, 712749, 950332, 1425498, 1663081, 2850996, 3326162, 4989243, 6652324, 9978486, 19956972]

約数ペア:

[(1, 19956972), (2, 9978486), (3, 6652324), (4, 4989243), (6, 3326162), (7, 2850996), (12, 1663081), (14, 1425498), (21, 950332), (28, 712749), (42, 475166), (84, 237583), (193, 103404), (386, 51702), (579, 34468), (772, 25851), (1158, 17234), (1231, 16212), (1351, 14772), (2316, 8617), (2462, 8106), (2702, 7386), (3693, 5404), (4053, 4924)]