12139984

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{6961}}^1$

素因数の和:7078

約数の個数: 20

約数和(自身を含む): 23740420

約数和(自身を除く): 11600436

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 6961, 13922, 27844, 55688, 111376, 758749, 1517498, 3034996, 6069992, 12139984]

約数ペア:

[(1, 12139984), (2, 6069992), (4, 3034996), (8, 1517498), (16, 758749), (109, 111376), (218, 55688), (436, 27844), (872, 13922), (1744, 6961)]