18880952320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1843843}}^1$

素因数の和:1843870

約数の個数: 48

約数和(自身を含む): 45303247080

約数和(自身を除く): 26422294760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 1843843, 3687686, 7375372, 9219215, 14750744, 18438430, 29501488, 36876860, 59002976, 73753720, 118005952, 147507440, 236011904, 295014880, 472023808, 590029760, 944047616, 1180059520, 1888095232, 2360119040, 3776190464, 4720238080, 9440476160, 18880952320]

約数ペア:

[(1, 18880952320), (2, 9440476160), (4, 4720238080), (5, 3776190464), (8, 2360119040), (10, 1888095232), (16, 1180059520), (20, 944047616), (32, 590029760), (40, 472023808), (64, 295014880), (80, 236011904), (128, 147507440), (160, 118005952), (256, 73753720), (320, 59002976), (512, 36876860), (640, 29501488), (1024, 18438430), (1280, 14750744), (2048, 9219215), (2560, 7375372), (5120, 3687686), (10240, 1843843)]