19637172

素因数分解:

$2^2\times 3^2\times {\mathrm{545477}}^1$

素因数の和:545487

約数の個数: 18

約数和(自身を含む): 49638498

約数和(自身を除く): 30001326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545477, 1090954, 1636431, 2181908, 3272862, 4909293, 6545724, 9818586, 19637172]

約数ペア:

[(1, 19637172), (2, 9818586), (3, 6545724), (4, 4909293), (6, 3272862), (9, 2181908), (12, 1636431), (18, 1090954), (36, 545477)]