18148960

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1693}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 43542576

約数和(自身を除く): 25393616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 1693, 2144, 2680, 3386, 5360, 6772, 8465, 10720, 13544, 16930, 27088, 33860, 54176, 67720, 113431, 135440, 226862, 270880, 453724, 567155, 907448, 1134310, 1814896, 2268620, 3629792, 4537240, 9074480, 18148960]

約数ペア:

[(1, 18148960), (2, 9074480), (4, 4537240), (5, 3629792), (8, 2268620), (10, 1814896), (16, 1134310), (20, 907448), (32, 567155), (40, 453724), (67, 270880), (80, 226862), (134, 135440), (160, 113431), (268, 67720), (335, 54176), (536, 33860), (670, 27088), (1072, 16930), (1340, 13544), (1693, 10720), (2144, 8465), (2680, 6772), (3386, 5360)]