19836978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{472309}}^1$

素因数の和:472321

約数の個数: 16

約数和(自身を含む): 45341760

約数和(自身を除く): 25504782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 472309, 944618, 1416927, 2833854, 3306163, 6612326, 9918489, 19836978]

約数ペア:

[(1, 19836978), (2, 9918489), (3, 6612326), (6, 3306163), (7, 2833854), (14, 1416927), (21, 944618), (42, 472309)]