19976944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96043}}^1$

素因数の和:96064

約数の個数: 20

約数和(自身を含む): 41683096

約数和(自身を除く): 21706152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96043, 192086, 384172, 768344, 1248559, 1536688, 2497118, 4994236, 9988472, 19976944]

約数ペア:

[(1, 19976944), (2, 9988472), (4, 4994236), (8, 2497118), (13, 1536688), (16, 1248559), (26, 768344), (52, 384172), (104, 192086), (208, 96043)]