19778436

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{23887}}^1$

素因数の和:23920

約数の個数: 36

約数和(自身を含む): 52171392

約数和(自身を除く): 32392956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 23887, 47774, 71661, 95548, 143322, 214983, 286644, 429966, 549401, 859932, 1098802, 1648203, 2197604, 3296406, 4944609, 6592812, 9889218, 19778436]

約数ペア:

[(1, 19778436), (2, 9889218), (3, 6592812), (4, 4944609), (6, 3296406), (9, 2197604), (12, 1648203), (18, 1098802), (23, 859932), (36, 549401), (46, 429966), (69, 286644), (92, 214983), (138, 143322), (207, 95548), (276, 71661), (414, 47774), (828, 23887)]