19987164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29221}}^1$

素因数の和:29250

約数の個数: 36

約数和(自身を含む): 53184040

約数和(自身を除く): 33196876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29221, 58442, 87663, 116884, 175326, 262989, 350652, 525978, 555199, 1051956, 1110398, 1665597, 2220796, 3331194, 4996791, 6662388, 9993582, 19987164]

約数ペア:

[(1, 19987164), (2, 9993582), (3, 6662388), (4, 4996791), (6, 3331194), (9, 2220796), (12, 1665597), (18, 1110398), (19, 1051956), (36, 555199), (38, 525978), (57, 350652), (76, 262989), (114, 175326), (171, 116884), (228, 87663), (342, 58442), (684, 29221)]