19306768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92821}}^1$

素因数の和:92842

約数の個数: 20

約数和(自身を含む): 40284748

約数和(自身を除く): 20977980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92821, 185642, 371284, 742568, 1206673, 1485136, 2413346, 4826692, 9653384, 19306768]

約数ペア:

[(1, 19306768), (2, 9653384), (4, 4826692), (8, 2413346), (13, 1485136), (16, 1206673), (26, 742568), (52, 371284), (104, 185642), (208, 92821)]