16644836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 18352924

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 991, 1292, 1982, 3964, 4199, 8398, 12883, 16796, 16847, 18829, 25766, 33694, 37658, 51532, 67388, 75316, 219011, 244777, 320093, 438022, 489554, 640186, 876044, 979108, 1280372, 4161209, 8322418, 16644836]

約数ペア:

[(1, 16644836), (2, 8322418), (4, 4161209), (13, 1280372), (17, 979108), (19, 876044), (26, 640186), (34, 489554), (38, 438022), (52, 320093), (68, 244777), (76, 219011), (221, 75316), (247, 67388), (323, 51532), (442, 37658), (494, 33694), (646, 25766), (884, 18829), (988, 16847), (991, 16796), (1292, 12883), (1982, 8398), (3964, 4199)]