19964499

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 28387632

約数和(自身を除く): 8423133

約数列:

[1, 3, 29, 41, 87, 123, 193, 579, 841, 1189, 2523, 3567, 5597, 7913, 16791, 23739, 34481, 103443, 162313, 229477, 486939, 688431, 6654833, 19964499]

約数ペア:

[(1, 19964499), (3, 6654833), (29, 688431), (41, 486939), (87, 229477), (123, 162313), (193, 103443), (579, 34481), (841, 23739), (1189, 16791), (2523, 7913), (3567, 5597)]