19660446

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 48303216

約数和(自身を除く): 28642770

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 169, 207, 234, 281, 299, 338, 414, 507, 562, 598, 843, 897, 1014, 1521, 1686, 1794, 2529, 2691, 3042, 3653, 3887, 5058, 5382, 6463, 7306, 7774, 10959, 11661, 12926, 19389, 21918, 23322, 32877, 34983, 38778, 47489, 58167, 65754, 69966, 84019, 94978, 116334, 142467, 168038, 252057, 284934, 427401, 504114, 756171, 854802, 1092247, 1512342, 2184494, 3276741, 6553482, 9830223, 19660446]

約数ペア:

[(1, 19660446), (2, 9830223), (3, 6553482), (6, 3276741), (9, 2184494), (13, 1512342), (18, 1092247), (23, 854802), (26, 756171), (39, 504114), (46, 427401), (69, 284934), (78, 252057), (117, 168038), (138, 142467), (169, 116334), (207, 94978), (234, 84019), (281, 69966), (299, 65754), (338, 58167), (414, 47489), (507, 38778), (562, 34983), (598, 32877), (843, 23322), (897, 21918), (1014, 19389), (1521, 12926), (1686, 11661), (1794, 10959), (2529, 7774), (2691, 7306), (3042, 6463), (3653, 5382), (3887, 5058)]