19494013

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 25198560

約数和(自身を除く): 5704547

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 613, 649, 2891, 4291, 4543, 6743, 30037, 31801, 36167, 47201, 253169, 330407, 397837, 1772183, 2784859, 19494013]

約数ペア:

[(1, 19494013), (7, 2784859), (11, 1772183), (49, 397837), (59, 330407), (77, 253169), (413, 47201), (539, 36167), (613, 31801), (649, 30037), (2891, 6743), (4291, 4543)]