19728708

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{40099}}^1$

素因数の和:40147

約数の個数: 24

約数和(自身を含む): 47157600

約数和(自身を除く): 27428892

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 40099, 80198, 120297, 160396, 240594, 481188, 1644059, 3288118, 4932177, 6576236, 9864354, 19728708]

約数ペア:

[(1, 19728708), (2, 9864354), (3, 6576236), (4, 4932177), (6, 3288118), (12, 1644059), (41, 481188), (82, 240594), (123, 160396), (164, 120297), (246, 80198), (492, 40099)]