19856732

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4517}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 39975264

約数和(自身を除く): 20118532

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4517, 9034, 18068, 31619, 63238, 126476, 709169, 1418338, 2836676, 4964183, 9928366, 19856732]

約数ペア:

[(1, 19856732), (2, 9928366), (4, 4964183), (7, 2836676), (14, 1418338), (28, 709169), (157, 126476), (314, 63238), (628, 31619), (1099, 18068), (2198, 9034), (4396, 4517)]