19071143

素因数分解:

$7^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 30

約数和(自身を含む): 24603984

約数和(自身を除く): 5532841

約数列:

[1, 7, 13, 47, 49, 91, 169, 329, 343, 611, 637, 1183, 2303, 2401, 4277, 4459, 7943, 8281, 16121, 29939, 31213, 55601, 57967, 112847, 209573, 389207, 405769, 1467011, 2724449, 19071143]

約数ペア:

[(1, 19071143), (7, 2724449), (13, 1467011), (47, 405769), (49, 389207), (91, 209573), (169, 112847), (329, 57967), (343, 55601), (611, 31213), (637, 29939), (1183, 16121), (2303, 8281), (2401, 7943), (4277, 4459)]