19415812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6121}}^1$

素因数の和:6199

約数の個数: 24

約数和(自身を含む): 37197272

約数和(自身を除く): 17781460

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6121, 12242, 24484, 79573, 159146, 318292, 373381, 746762, 1493524, 4853953, 9707906, 19415812]

約数ペア:

[(1, 19415812), (2, 9707906), (4, 4853953), (13, 1493524), (26, 746762), (52, 373381), (61, 318292), (122, 159146), (244, 79573), (793, 24484), (1586, 12242), (3172, 6121)]