19672520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10037}}^1$

素因数の和:10062

約数の個数: 48

約数和(自身を含む): 51494940

約数和(自身を除く): 31822420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10037, 20074, 40148, 50185, 70259, 80296, 100370, 140518, 200740, 281036, 351295, 401480, 491813, 562072, 702590, 983626, 1405180, 1967252, 2459065, 2810360, 3934504, 4918130, 9836260, 19672520]

約数ペア:

[(1, 19672520), (2, 9836260), (4, 4918130), (5, 3934504), (7, 2810360), (8, 2459065), (10, 1967252), (14, 1405180), (20, 983626), (28, 702590), (35, 562072), (40, 491813), (49, 401480), (56, 351295), (70, 281036), (98, 200740), (140, 140518), (196, 100370), (245, 80296), (280, 70259), (392, 50185), (490, 40148), (980, 20074), (1960, 10037)]