19218080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17159}}^1$

素因数の和:17181

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 32673760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17159, 34318, 68636, 85795, 120113, 137272, 171590, 240226, 274544, 343180, 480452, 549088, 600565, 686360, 960904, 1201130, 1372720, 1921808, 2402260, 2745440, 3843616, 4804520, 9609040, 19218080]

約数ペア:

[(1, 19218080), (2, 9609040), (4, 4804520), (5, 3843616), (7, 2745440), (8, 2402260), (10, 1921808), (14, 1372720), (16, 1201130), (20, 960904), (28, 686360), (32, 600565), (35, 549088), (40, 480452), (56, 343180), (70, 274544), (80, 240226), (112, 171590), (140, 137272), (160, 120113), (224, 85795), (280, 68636), (560, 34318), (1120, 17159)]