18367120

素因数分解:

$2^4\times 5^1\times {\mathrm{229589}}^1$

素因数の和:229602

約数の個数: 20

約数和(自身を含む): 42703740

約数和(自身を除く): 24336620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229589, 459178, 918356, 1147945, 1836712, 2295890, 3673424, 4591780, 9183560, 18367120]

約数ペア:

[(1, 18367120), (2, 9183560), (4, 4591780), (5, 3673424), (8, 2295890), (10, 1836712), (16, 1147945), (20, 918356), (40, 459178), (80, 229589)]