15218128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{55949}}^1$

素因数の和:55974

約数の個数: 20

約数和(自身を含む): 31220100

約数和(自身を除く): 16001972

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 55949, 111898, 223796, 447592, 895184, 951133, 1902266, 3804532, 7609064, 15218128]

約数ペア:

[(1, 15218128), (2, 7609064), (4, 3804532), (8, 1902266), (16, 951133), (17, 895184), (34, 447592), (68, 223796), (136, 111898), (272, 55949)]