18885440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8455

約数の個数: 56

約数和(自身を含む): 51401472

約数和(自身を除く): 32516032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8431, 16862, 33724, 42155, 59017, 67448, 84310, 118034, 134896, 168620, 236068, 269792, 295085, 337240, 472136, 539584, 590170, 674480, 944272, 1180340, 1348960, 1888544, 2360680, 2697920, 3777088, 4721360, 9442720, 18885440]

約数ペア:

[(1, 18885440), (2, 9442720), (4, 4721360), (5, 3777088), (7, 2697920), (8, 2360680), (10, 1888544), (14, 1348960), (16, 1180340), (20, 944272), (28, 674480), (32, 590170), (35, 539584), (40, 472136), (56, 337240), (64, 295085), (70, 269792), (80, 236068), (112, 168620), (140, 134896), (160, 118034), (224, 84310), (280, 67448), (320, 59017), (448, 42155), (560, 33724), (1120, 16862), (2240, 8431)]