18854720

素因数分解:

$2^6\times 5^1\times {\mathrm{58921}}^1$

素因数の和:58938

約数の個数: 28

約数和(自身を含む): 44898564

約数和(自身を除く): 26043844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 58921, 117842, 235684, 294605, 471368, 589210, 942736, 1178420, 1885472, 2356840, 3770944, 4713680, 9427360, 18854720]

約数ペア:

[(1, 18854720), (2, 9427360), (4, 4713680), (5, 3770944), (8, 2356840), (10, 1885472), (16, 1178420), (20, 942736), (32, 589210), (40, 471368), (64, 294605), (80, 235684), (160, 117842), (320, 58921)]