19676462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 32931360

約数和(自身を除く): 13254898

約数列:

[1, 2, 13, 26, 53, 106, 109, 131, 218, 262, 689, 1378, 1417, 1703, 2834, 3406, 5777, 6943, 11554, 13886, 14279, 28558, 75101, 90259, 150202, 180518, 185627, 371254, 756787, 1513574, 9838231, 19676462]

約数ペア:

[(1, 19676462), (2, 9838231), (13, 1513574), (26, 756787), (53, 371254), (106, 185627), (109, 180518), (131, 150202), (218, 90259), (262, 75101), (689, 28558), (1378, 14279), (1417, 13886), (1703, 11554), (2834, 6943), (3406, 5777)]