18072915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 34232832

約数和(自身を除く): 16159917

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 67, 105, 147, 201, 245, 335, 367, 469, 735, 1005, 1101, 1407, 1835, 2345, 2569, 3283, 5505, 7035, 7707, 9849, 12845, 16415, 17983, 24589, 38535, 49245, 53949, 73767, 89915, 122945, 172123, 269745, 368835, 516369, 860615, 1204861, 2581845, 3614583, 6024305, 18072915]

約数ペア:

[(1, 18072915), (3, 6024305), (5, 3614583), (7, 2581845), (15, 1204861), (21, 860615), (35, 516369), (49, 368835), (67, 269745), (105, 172123), (147, 122945), (201, 89915), (245, 73767), (335, 53949), (367, 49245), (469, 38535), (735, 24589), (1005, 17983), (1101, 16415), (1407, 12845), (1835, 9849), (2345, 7707), (2569, 7035), (3283, 5505)]