18688868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1109}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 17115292

約数列:

[1, 2, 4, 11, 22, 44, 383, 766, 1109, 1532, 2218, 4213, 4436, 8426, 12199, 16852, 24398, 48796, 424747, 849494, 1698988, 4672217, 9344434, 18688868]

約数ペア:

[(1, 18688868), (2, 9344434), (4, 4672217), (11, 1698988), (22, 849494), (44, 424747), (383, 48796), (766, 24398), (1109, 16852), (1532, 12199), (2218, 8426), (4213, 4436)]