19787144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190261}}^1$

素因数の和:190280

約数の個数: 16

約数和(自身を含む): 39955020

約数和(自身を除く): 20167876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190261, 380522, 761044, 1522088, 2473393, 4946786, 9893572, 19787144]

約数ペア:

[(1, 19787144), (2, 9893572), (4, 4946786), (8, 2473393), (13, 1522088), (26, 761044), (52, 380522), (104, 190261)]