18036340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128831}}^1$

素因数の和:128847

約数の個数: 24

約数和(自身を含む): 43287552

約数和(自身を除く): 25251212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128831, 257662, 515324, 644155, 901817, 1288310, 1803634, 2576620, 3607268, 4509085, 9018170, 18036340]

約数ペア:

[(1, 18036340), (2, 9018170), (4, 4509085), (5, 3607268), (7, 2576620), (10, 1803634), (14, 1288310), (20, 901817), (28, 644155), (35, 515324), (70, 257662), (140, 128831)]