38518020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{213989}}^1$

素因数の和:214004

約数の個数: 36

約数和(自身を含む): 116838540

約数和(自身を除く): 78320520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 213989, 427978, 641967, 855956, 1069945, 1283934, 1925901, 2139890, 2567868, 3209835, 3851802, 4279780, 6419670, 7703604, 9629505, 12839340, 19259010, 38518020]

約数ペア:

[(1, 38518020), (2, 19259010), (3, 12839340), (4, 9629505), (5, 7703604), (6, 6419670), (9, 4279780), (10, 3851802), (12, 3209835), (15, 2567868), (18, 2139890), (20, 1925901), (30, 1283934), (36, 1069945), (45, 855956), (60, 641967), (90, 427978), (180, 213989)]