19701119812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1489}}^1\times {\mathrm{27337}}^1$

素因数の和:28852

約数の個数: 36

約数和(自身を含む): 37923000220

約数和(自身を除く): 18221880408

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1489, 2978, 5956, 16379, 27337, 32758, 54674, 65516, 109348, 180169, 300707, 360338, 601414, 720676, 1202828, 3307777, 6615554, 13231108, 40704793, 81409586, 162819172, 447752723, 895505446, 1791010892, 4925279953, 9850559906, 19701119812]

約数ペア:

[(1, 19701119812), (2, 9850559906), (4, 4925279953), (11, 1791010892), (22, 895505446), (44, 447752723), (121, 162819172), (242, 81409586), (484, 40704793), (1489, 13231108), (2978, 6615554), (5956, 3307777), (16379, 1202828), (27337, 720676), (32758, 601414), (54674, 360338), (65516, 300707), (109348, 180169)]