19527040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2379

約数の個数: 64

約数和(自身を含む): 50294160

約数和(自身を除く): 30767120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2347, 4160, 4694, 8320, 9388, 11735, 18776, 23470, 30511, 37552, 46940, 61022, 75104, 93880, 122044, 150208, 152555, 187760, 244088, 300416, 305110, 375520, 488176, 610220, 751040, 976352, 1220440, 1502080, 1952704, 2440880, 3905408, 4881760, 9763520, 19527040]

約数ペア:

[(1, 19527040), (2, 9763520), (4, 4881760), (5, 3905408), (8, 2440880), (10, 1952704), (13, 1502080), (16, 1220440), (20, 976352), (26, 751040), (32, 610220), (40, 488176), (52, 375520), (64, 305110), (65, 300416), (80, 244088), (104, 187760), (128, 152555), (130, 150208), (160, 122044), (208, 93880), (260, 75104), (320, 61022), (416, 46940), (520, 37552), (640, 30511), (832, 23470), (1040, 18776), (1664, 11735), (2080, 9388), (2347, 8320), (4160, 4694)]