19995723424

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{3709}}^1\times {\mathrm{8867}}^1$

素因数の和:12605

約数の個数: 48

約数和(自身を含む): 41454352800

約数和(自身を除く): 21458629376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 3709, 7418, 8867, 14836, 17734, 29672, 35468, 59344, 70471, 70936, 118688, 140942, 141872, 168473, 281884, 283744, 336946, 563768, 673892, 1127536, 1347784, 2255072, 2695568, 5391136, 32887703, 65775406, 131550812, 263101624, 526203248, 624866357, 1052406496, 1249732714, 2499465428, 4998930856, 9997861712, 19995723424]

約数ペア:

[(1, 19995723424), (2, 9997861712), (4, 4998930856), (8, 2499465428), (16, 1249732714), (19, 1052406496), (32, 624866357), (38, 526203248), (76, 263101624), (152, 131550812), (304, 65775406), (608, 32887703), (3709, 5391136), (7418, 2695568), (8867, 2255072), (14836, 1347784), (17734, 1127536), (29672, 673892), (35468, 563768), (59344, 336946), (70471, 283744), (70936, 281884), (118688, 168473), (140942, 141872)]