18868941

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23039}}^1$

素因数の和:23065

約数の個数: 24

約数和(自身を含む): 33546240

約数和(自身を除く): 14677299

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23039, 69117, 161273, 207351, 299507, 483819, 898521, 1451457, 2096549, 2695563, 6289647, 18868941]

約数ペア:

[(1, 18868941), (3, 6289647), (7, 2695563), (9, 2096549), (13, 1451457), (21, 898521), (39, 483819), (63, 299507), (91, 207351), (117, 161273), (273, 69117), (819, 23039)]