1894780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 4006800

約数和(自身を除く): 2112020

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 449, 844, 898, 1055, 1796, 2110, 2245, 4220, 4490, 8980, 94739, 189478, 378956, 473695, 947390, 1894780]

約数ペア:

[(1, 1894780), (2, 947390), (4, 473695), (5, 378956), (10, 189478), (20, 94739), (211, 8980), (422, 4490), (449, 4220), (844, 2245), (898, 2110), (1055, 1796)]