19857876

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 47851776

約数和(自身を除く): 27993900

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 137, 141, 188, 257, 274, 282, 411, 514, 548, 564, 771, 822, 1028, 1542, 1644, 3084, 6439, 12079, 12878, 19317, 24158, 25756, 35209, 36237, 38634, 48316, 70418, 72474, 77268, 105627, 140836, 144948, 211254, 422508, 1654823, 3309646, 4964469, 6619292, 9928938, 19857876]

約数ペア:

[(1, 19857876), (2, 9928938), (3, 6619292), (4, 4964469), (6, 3309646), (12, 1654823), (47, 422508), (94, 211254), (137, 144948), (141, 140836), (188, 105627), (257, 77268), (274, 72474), (282, 70418), (411, 48316), (514, 38634), (548, 36237), (564, 35209), (771, 25756), (822, 24158), (1028, 19317), (1542, 12878), (1644, 12079), (3084, 6439)]