12643888

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{9521}}^1$

素因数の和:9612

約数の個数: 20

約数和(自身を含む): 24795288

約数和(自身を除く): 12151400

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 9521, 19042, 38084, 76168, 152336, 790243, 1580486, 3160972, 6321944, 12643888]

約数ペア:

[(1, 12643888), (2, 6321944), (4, 3160972), (8, 1580486), (16, 790243), (83, 152336), (166, 76168), (332, 38084), (664, 19042), (1328, 9521)]