19156215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 33243840

約数和(自身を除く): 14087625

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 509, 579, 965, 1527, 2509, 2545, 2895, 6617, 7527, 7635, 12545, 19851, 33085, 37635, 98237, 99255, 294711, 491185, 1277081, 1473555, 3831243, 6385405, 19156215]

約数ペア:

[(1, 19156215), (3, 6385405), (5, 3831243), (13, 1473555), (15, 1277081), (39, 491185), (65, 294711), (193, 99255), (195, 98237), (509, 37635), (579, 33085), (965, 19851), (1527, 12545), (2509, 7635), (2545, 7527), (2895, 6617)]