19742823

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 29967600

約数和(自身を除く): 10224777

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1129, 1943, 3387, 5829, 10161, 17487, 32741, 75643, 98223, 226929, 294669, 680787, 2193647, 6580941, 19742823]

約数ペア:

[(1, 19742823), (3, 6580941), (9, 2193647), (29, 680787), (67, 294669), (87, 226929), (201, 98223), (261, 75643), (603, 32741), (1129, 17487), (1943, 10161), (3387, 5829)]