19974611968

素因数分解:

$2^{10}\times {\mathrm{47}}^1\times {\mathrm{415031}}^1$

素因数の和:415098

約数の個数: 44

約数和(自身を含む): 40779384192

約数和(自身を除く): 20804772224

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 1024, 1504, 3008, 6016, 12032, 24064, 48128, 415031, 830062, 1660124, 3320248, 6640496, 13280992, 19506457, 26561984, 39012914, 53123968, 78025828, 106247936, 156051656, 212495872, 312103312, 424991744, 624206624, 1248413248, 2496826496, 4993652992, 9987305984, 19974611968]

約数ペア:

[(1, 19974611968), (2, 9987305984), (4, 4993652992), (8, 2496826496), (16, 1248413248), (32, 624206624), (47, 424991744), (64, 312103312), (94, 212495872), (128, 156051656), (188, 106247936), (256, 78025828), (376, 53123968), (512, 39012914), (752, 26561984), (1024, 19506457), (1504, 13280992), (3008, 6640496), (6016, 3320248), (12032, 1660124), (24064, 830062), (48128, 415031)]