1920291248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2791121}}^1$

素因数の和:2791172

約数の個数: 20

約数和(自身を含む): 3807090408

約数和(自身を除く): 1886799160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2791121, 5582242, 11164484, 22328968, 44657936, 120018203, 240036406, 480072812, 960145624, 1920291248]

約数ペア:

[(1, 1920291248), (2, 960145624), (4, 480072812), (8, 240036406), (16, 120018203), (43, 44657936), (86, 22328968), (172, 11164484), (344, 5582242), (688, 2791121)]