19865754

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2003}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 46893600

約数和(自身を除く): 27027846

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2003, 3306, 4006, 4959, 6009, 9918, 12018, 18027, 36054, 38057, 58087, 76114, 114171, 116174, 174261, 228342, 342513, 348522, 522783, 685026, 1045566, 1103653, 2207306, 3310959, 6621918, 9932877, 19865754]

約数ペア:

[(1, 19865754), (2, 9932877), (3, 6621918), (6, 3310959), (9, 2207306), (18, 1103653), (19, 1045566), (29, 685026), (38, 522783), (57, 348522), (58, 342513), (87, 228342), (114, 174261), (171, 116174), (174, 114171), (261, 76114), (342, 58087), (522, 38057), (551, 36054), (1102, 18027), (1653, 12018), (2003, 9918), (3306, 6009), (4006, 4959)]