19842304

素因数分解:

$2^8\times {\mathrm{77509}}^1$

素因数の和:77525

約数の個数: 18

約数和(自身を含む): 39607610

約数和(自身を除く): 19765306

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77509, 155018, 310036, 620072, 1240144, 2480288, 4960576, 9921152, 19842304]

約数ペア:

[(1, 19842304), (2, 9921152), (4, 4960576), (8, 2480288), (16, 1240144), (32, 620072), (64, 310036), (128, 155018), (256, 77509)]