19939536

素因数分解:

$2^4\times 3^2\times {\mathrm{138469}}^1$

素因数の和:138483

約数の個数: 30

約数和(自身を含む): 55803410

約数和(自身を除く): 35863874

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138469, 276938, 415407, 553876, 830814, 1107752, 1246221, 1661628, 2215504, 2492442, 3323256, 4984884, 6646512, 9969768, 19939536]

約数ペア:

[(1, 19939536), (2, 9969768), (3, 6646512), (4, 4984884), (6, 3323256), (8, 2492442), (9, 2215504), (12, 1661628), (16, 1246221), (18, 1107752), (24, 830814), (36, 553876), (48, 415407), (72, 276938), (144, 138469)]