18679143

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 29913600

約数和(自身を除く): 11234457

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4099, 4557, 12297, 28693, 86079, 127069, 200851, 381207, 602553, 889483, 2668449, 6226381, 18679143]

約数ペア:

[(1, 18679143), (3, 6226381), (7, 2668449), (21, 889483), (31, 602553), (49, 381207), (93, 200851), (147, 127069), (217, 86079), (651, 28693), (1519, 12297), (4099, 4557)]