19547884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 18917396

約数列:

[1, 2, 4, 19, 23, 38, 46, 53, 76, 92, 106, 211, 212, 422, 437, 844, 874, 1007, 1219, 1748, 2014, 2438, 4009, 4028, 4853, 4876, 8018, 9706, 11183, 16036, 19412, 22366, 23161, 44732, 46322, 92207, 92644, 184414, 212477, 257209, 368828, 424954, 514418, 849908, 1028836, 4886971, 9773942, 19547884]

約数ペア:

[(1, 19547884), (2, 9773942), (4, 4886971), (19, 1028836), (23, 849908), (38, 514418), (46, 424954), (53, 368828), (76, 257209), (92, 212477), (106, 184414), (211, 92644), (212, 92207), (422, 46322), (437, 44732), (844, 23161), (874, 22366), (1007, 19412), (1219, 16036), (1748, 11183), (2014, 9706), (2438, 8018), (4009, 4876), (4028, 4853)]