19424992

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21822368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 743, 817, 1376, 1486, 1634, 2972, 3268, 5944, 6536, 11888, 13072, 14117, 23776, 26144, 28234, 31949, 56468, 63898, 112936, 127796, 225872, 255592, 451744, 511184, 607031, 1022368, 1214062, 2428124, 4856248, 9712496, 19424992]

約数ペア:

[(1, 19424992), (2, 9712496), (4, 4856248), (8, 2428124), (16, 1214062), (19, 1022368), (32, 607031), (38, 511184), (43, 451744), (76, 255592), (86, 225872), (152, 127796), (172, 112936), (304, 63898), (344, 56468), (608, 31949), (688, 28234), (743, 26144), (817, 23776), (1376, 14117), (1486, 13072), (1634, 11888), (2972, 6536), (3268, 5944)]