18307840

素因数分解:

$2^8\times 5^1\times {\mathrm{14303}}^1$

素因数の和:14324

約数の個数: 36

約数和(自身を含む): 43856064

約数和(自身を除く): 25548224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14303, 28606, 57212, 71515, 114424, 143030, 228848, 286060, 457696, 572120, 915392, 1144240, 1830784, 2288480, 3661568, 4576960, 9153920, 18307840]

約数ペア:

[(1, 18307840), (2, 9153920), (4, 4576960), (5, 3661568), (8, 2288480), (10, 1830784), (16, 1144240), (20, 915392), (32, 572120), (40, 457696), (64, 286060), (80, 228848), (128, 143030), (160, 114424), (256, 71515), (320, 57212), (640, 28606), (1280, 14303)]