19807095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1559}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 20029065

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1559, 1815, 2541, 4235, 4677, 7795, 10913, 12705, 17149, 23385, 32739, 51447, 54565, 85745, 120043, 163695, 188639, 257235, 360129, 565917, 600215, 943195, 1320473, 1800645, 2829585, 3961419, 6602365, 19807095]

約数ペア:

[(1, 19807095), (3, 6602365), (5, 3961419), (7, 2829585), (11, 1800645), (15, 1320473), (21, 943195), (33, 600215), (35, 565917), (55, 360129), (77, 257235), (105, 188639), (121, 163695), (165, 120043), (231, 85745), (363, 54565), (385, 51447), (605, 32739), (847, 23385), (1155, 17149), (1559, 12705), (1815, 10913), (2541, 7795), (4235, 4677)]