19812039

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 29865600

約数和(自身を除く): 10053561

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 1699, 3887, 5097, 11661, 22087, 39077, 66261, 117231, 287131, 508001, 861393, 1524003, 6604013, 19812039]

約数ペア:

[(1, 19812039), (3, 6604013), (13, 1524003), (23, 861393), (39, 508001), (69, 287131), (169, 117231), (299, 66261), (507, 39077), (897, 22087), (1699, 11661), (3887, 5097)]