18991236

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{143873}}^1$

素因数の和:143891

約数の個数: 24

約数和(自身を含む): 48341664

約数和(自身を除く): 29350428

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 143873, 287746, 431619, 575492, 863238, 1582603, 1726476, 3165206, 4747809, 6330412, 9495618, 18991236]

約数ペア:

[(1, 18991236), (2, 9495618), (3, 6330412), (4, 4747809), (6, 3165206), (11, 1726476), (12, 1582603), (22, 863238), (33, 575492), (44, 431619), (66, 287746), (132, 143873)]