18037004

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12491}}^1$

素因数の和:12533

約数の個数: 18

約数和(自身を含む): 33316164

約数和(自身を除く): 15279160

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12491, 24982, 49964, 237329, 474658, 949316, 4509251, 9018502, 18037004]

約数ペア:

[(1, 18037004), (2, 9018502), (4, 4509251), (19, 949316), (38, 474658), (76, 237329), (361, 49964), (722, 24982), (1444, 12491)]