19041890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38861}}^1$

素因数の和:38882

約数の個数: 24

約数和(自身を含む): 39872412

約数和(自身を除く): 20830522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38861, 77722, 194305, 272027, 388610, 544054, 1360135, 1904189, 2720270, 3808378, 9520945, 19041890]

約数ペア:

[(1, 19041890), (2, 9520945), (5, 3808378), (7, 2720270), (10, 1904189), (14, 1360135), (35, 544054), (49, 388610), (70, 272027), (98, 194305), (245, 77722), (490, 38861)]