18745360

素因数分解:

$2^4\times 5^1\times {\mathrm{234317}}^1$

素因数の和:234330

約数の個数: 20

約数和(自身を含む): 43583148

約数和(自身を除く): 24837788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234317, 468634, 937268, 1171585, 1874536, 2343170, 3749072, 4686340, 9372680, 18745360]

約数ペア:

[(1, 18745360), (2, 9372680), (4, 4686340), (5, 3749072), (8, 2343170), (10, 1874536), (16, 1171585), (20, 937268), (40, 468634), (80, 234317)]