15201904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{30649}}^1$

素因数の和:30688

約数の個数: 20

約数和(自身を含む): 30404800

約数和(自身を除く): 15202896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 30649, 61298, 122596, 245192, 490384, 950119, 1900238, 3800476, 7600952, 15201904]

約数ペア:

[(1, 15201904), (2, 7600952), (4, 3800476), (8, 1900238), (16, 950119), (31, 490384), (62, 245192), (124, 122596), (248, 61298), (496, 30649)]