18897280

素因数分解:

$2^7\times 5^1\times {\mathrm{29527}}^1$

素因数の和:29546

約数の個数: 32

約数和(自身を含む): 45177840

約数和(自身を除く): 26280560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29527, 59054, 118108, 147635, 236216, 295270, 472432, 590540, 944864, 1181080, 1889728, 2362160, 3779456, 4724320, 9448640, 18897280]

約数ペア:

[(1, 18897280), (2, 9448640), (4, 4724320), (5, 3779456), (8, 2362160), (10, 1889728), (16, 1181080), (20, 944864), (32, 590540), (40, 472432), (64, 295270), (80, 236216), (128, 147635), (160, 118108), (320, 59054), (640, 29527)]