18038480

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{487}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 42116352

約数和(自身を除く): 24077872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 487, 926, 974, 1852, 1948, 2315, 2435, 3704, 3896, 4630, 4870, 7408, 7792, 9260, 9740, 18520, 19480, 37040, 38960, 225481, 450962, 901924, 1127405, 1803848, 2254810, 3607696, 4509620, 9019240, 18038480]

約数ペア:

[(1, 18038480), (2, 9019240), (4, 4509620), (5, 3607696), (8, 2254810), (10, 1803848), (16, 1127405), (20, 901924), (40, 450962), (80, 225481), (463, 38960), (487, 37040), (926, 19480), (974, 18520), (1852, 9740), (1948, 9260), (2315, 7792), (2435, 7408), (3704, 4870), (3896, 4630)]