19501965

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2293}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 40080768

約数和(自身を除く): 20578803

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2293, 2835, 6879, 8505, 11465, 16051, 20637, 34395, 48153, 61911, 80255, 103185, 144459, 185733, 240765, 309555, 433377, 557199, 722295, 928665, 1300131, 2166885, 2785995, 3900393, 6500655, 19501965]

約数ペア:

[(1, 19501965), (3, 6500655), (5, 3900393), (7, 2785995), (9, 2166885), (15, 1300131), (21, 928665), (27, 722295), (35, 557199), (45, 433377), (63, 309555), (81, 240765), (105, 185733), (135, 144459), (189, 103185), (243, 80255), (315, 61911), (405, 48153), (567, 34395), (945, 20637), (1215, 16051), (1701, 11465), (2293, 8505), (2835, 6879)]