18518996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{243671}}^1$

素因数の和:243694

約数の個数: 12

約数和(自身を含む): 34114080

約数和(自身を除く): 15595084

約数列:

[1, 2, 4, 19, 38, 76, 243671, 487342, 974684, 4629749, 9259498, 18518996]

約数ペア:

[(1, 18518996), (2, 9259498), (4, 4629749), (19, 974684), (38, 487342), (76, 243671)]