19187836

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 15668804

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1481, 2962, 3239, 5924, 6478, 12956, 60721, 116999, 121442, 233998, 242884, 467996, 4796959, 9593918, 19187836]

約数ペア:

[(1, 19187836), (2, 9593918), (4, 4796959), (41, 467996), (79, 242884), (82, 233998), (158, 121442), (164, 116999), (316, 60721), (1481, 12956), (2962, 6478), (3239, 5924)]