18304480

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 43518384

約数和(自身を除く): 25213904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 491, 932, 982, 1165, 1864, 1964, 2330, 2455, 3728, 3928, 4660, 4910, 7456, 7856, 9320, 9820, 15712, 18640, 19640, 37280, 39280, 78560, 114403, 228806, 457612, 572015, 915224, 1144030, 1830448, 2288060, 3660896, 4576120, 9152240, 18304480]

約数ペア:

[(1, 18304480), (2, 9152240), (4, 4576120), (5, 3660896), (8, 2288060), (10, 1830448), (16, 1144030), (20, 915224), (32, 572015), (40, 457612), (80, 228806), (160, 114403), (233, 78560), (466, 39280), (491, 37280), (932, 19640), (982, 18640), (1165, 15712), (1864, 9820), (1964, 9320), (2330, 7856), (2455, 7456), (3728, 4910), (3928, 4660)]