19549180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 47932416

約数和(自身を除く): 28383236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2971, 3290, 5942, 6580, 11884, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 139637, 207970, 279274, 415940, 558548, 698185, 977459, 1396370, 1954918, 2792740, 3909836, 4887295, 9774590, 19549180]

約数ペア:

[(1, 19549180), (2, 9774590), (4, 4887295), (5, 3909836), (7, 2792740), (10, 1954918), (14, 1396370), (20, 977459), (28, 698185), (35, 558548), (47, 415940), (70, 279274), (94, 207970), (140, 139637), (188, 103985), (235, 83188), (329, 59420), (470, 41594), (658, 29710), (940, 20797), (1316, 14855), (1645, 11884), (2971, 6580), (3290, 5942)]