19754220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11353}}^1$

素因数の和:11394

約数の個数: 48

約数和(自身を含む): 57224160

約数和(自身を除く): 37469940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11353, 22706, 34059, 45412, 56765, 68118, 113530, 136236, 170295, 227060, 329237, 340590, 658474, 681180, 987711, 1316948, 1646185, 1975422, 3292370, 3950844, 4938555, 6584740, 9877110, 19754220]

約数ペア:

[(1, 19754220), (2, 9877110), (3, 6584740), (4, 4938555), (5, 3950844), (6, 3292370), (10, 1975422), (12, 1646185), (15, 1316948), (20, 987711), (29, 681180), (30, 658474), (58, 340590), (60, 329237), (87, 227060), (116, 170295), (145, 136236), (174, 113530), (290, 68118), (348, 56765), (435, 45412), (580, 34059), (870, 22706), (1740, 11353)]