19185136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 39441920

約数和(自身を除く): 20256784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 223, 283, 304, 446, 566, 892, 1132, 1784, 2264, 3568, 4237, 4528, 5377, 8474, 10754, 16948, 21508, 33896, 43016, 63109, 67792, 86032, 126218, 252436, 504872, 1009744, 1199071, 2398142, 4796284, 9592568, 19185136]

約数ペア:

[(1, 19185136), (2, 9592568), (4, 4796284), (8, 2398142), (16, 1199071), (19, 1009744), (38, 504872), (76, 252436), (152, 126218), (223, 86032), (283, 67792), (304, 63109), (446, 43016), (566, 33896), (892, 21508), (1132, 16948), (1784, 10754), (2264, 8474), (3568, 5377), (4237, 4528)]