19003520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1333

約数の個数: 64

約数和(自身を含む): 47442240

約数和(自身を除く): 28438720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1291, 1472, 1840, 2582, 2944, 3680, 5164, 6455, 7360, 10328, 12910, 14720, 20656, 25820, 29693, 41312, 51640, 59386, 82624, 103280, 118772, 148465, 165248, 206560, 237544, 296930, 413120, 475088, 593860, 826240, 950176, 1187720, 1900352, 2375440, 3800704, 4750880, 9501760, 19003520]

約数ペア:

[(1, 19003520), (2, 9501760), (4, 4750880), (5, 3800704), (8, 2375440), (10, 1900352), (16, 1187720), (20, 950176), (23, 826240), (32, 593860), (40, 475088), (46, 413120), (64, 296930), (80, 237544), (92, 206560), (115, 165248), (128, 148465), (160, 118772), (184, 103280), (230, 82624), (320, 59386), (368, 51640), (460, 41312), (640, 29693), (736, 25820), (920, 20656), (1291, 14720), (1472, 12910), (1840, 10328), (2582, 7360), (2944, 6455), (3680, 5164)]