19154475

素因数分解:

$3^6\times 5^2\times {\mathrm{1051}}^1$

素因数の和:1079

約数の個数: 42

約数和(自身を含む): 35644916

約数和(自身を除く): 16490441

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1051, 1215, 2025, 3153, 3645, 5255, 6075, 9459, 15765, 18225, 26275, 28377, 47295, 78825, 85131, 141885, 236475, 255393, 425655, 709425, 766179, 1276965, 2128275, 3830895, 6384825, 19154475]

約数ペア:

[(1, 19154475), (3, 6384825), (5, 3830895), (9, 2128275), (15, 1276965), (25, 766179), (27, 709425), (45, 425655), (75, 255393), (81, 236475), (135, 141885), (225, 85131), (243, 78825), (405, 47295), (675, 28377), (729, 26275), (1051, 18225), (1215, 15765), (2025, 9459), (3153, 6075), (3645, 5255)]