18882560

素因数分解:

$2^{13}\times 5^1\times {\mathrm{461}}^1$

素因数の和:492

約数の個数: 56

約数和(自身を含む): 45413676

約数和(自身を除く): 26531116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 461, 512, 640, 922, 1024, 1280, 1844, 2048, 2305, 2560, 3688, 4096, 4610, 5120, 7376, 8192, 9220, 10240, 14752, 18440, 20480, 29504, 36880, 40960, 59008, 73760, 118016, 147520, 236032, 295040, 472064, 590080, 944128, 1180160, 1888256, 2360320, 3776512, 4720640, 9441280, 18882560]

約数ペア:

[(1, 18882560), (2, 9441280), (4, 4720640), (5, 3776512), (8, 2360320), (10, 1888256), (16, 1180160), (20, 944128), (32, 590080), (40, 472064), (64, 295040), (80, 236032), (128, 147520), (160, 118016), (256, 73760), (320, 59008), (461, 40960), (512, 36880), (640, 29504), (922, 20480), (1024, 18440), (1280, 14752), (1844, 10240), (2048, 9220), (2305, 8192), (2560, 7376), (3688, 5120), (4096, 4610)]