28220092

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19543}}^1$

素因数の和:19585

約数の個数: 18

約数和(自身を含む): 52123848

約数和(自身を除く): 23903756

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19543, 39086, 78172, 371317, 742634, 1485268, 7055023, 14110046, 28220092]

約数ペア:

[(1, 28220092), (2, 14110046), (4, 7055023), (19, 1485268), (38, 742634), (76, 371317), (361, 78172), (722, 39086), (1444, 19543)]