19995413

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 21591360

約数和(自身を除く): 1595947

約数列:

[1, 29, 41, 67, 251, 1189, 1943, 2747, 7279, 10291, 16817, 79663, 298439, 487693, 689497, 19995413]

約数ペア:

[(1, 19995413), (29, 689497), (41, 487693), (67, 298439), (251, 79663), (1189, 16817), (1943, 10291), (2747, 7279)]