19791008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 42023520

約数和(自身を除く): 22232512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 757, 817, 1376, 1514, 1634, 3028, 3268, 6056, 6536, 12112, 13072, 14383, 24224, 26144, 28766, 32551, 57532, 65102, 115064, 130204, 230128, 260408, 460256, 520816, 618469, 1041632, 1236938, 2473876, 4947752, 9895504, 19791008]

約数ペア:

[(1, 19791008), (2, 9895504), (4, 4947752), (8, 2473876), (16, 1236938), (19, 1041632), (32, 618469), (38, 520816), (43, 460256), (76, 260408), (86, 230128), (152, 130204), (172, 115064), (304, 65102), (344, 57532), (608, 32551), (688, 28766), (757, 26144), (817, 24224), (1376, 14383), (1514, 13072), (1634, 12112), (3028, 6536), (3268, 6056)]