18743386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13331}}^1$

素因数の和:13389

約数の個数: 16

約数和(自身を含む): 30396960

約数和(自身を除く): 11653574

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13331, 26662, 253289, 493247, 506578, 986494, 9371693, 18743386]

約数ペア:

[(1, 18743386), (2, 9371693), (19, 986494), (37, 506578), (38, 493247), (74, 253289), (703, 26662), (1406, 13331)]