19190325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3323}}^1$

素因数の和:3354

約数の個数: 48

約数和(自身を含む): 39568896

約数和(自身を除く): 20378571

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3323, 5775, 9969, 16615, 23261, 36553, 49845, 69783, 83075, 109659, 116305, 182765, 249225, 255871, 348915, 548295, 581525, 767613, 913825, 1279355, 1744575, 2741475, 3838065, 6396775, 19190325]

約数ペア:

[(1, 19190325), (3, 6396775), (5, 3838065), (7, 2741475), (11, 1744575), (15, 1279355), (21, 913825), (25, 767613), (33, 581525), (35, 548295), (55, 348915), (75, 255871), (77, 249225), (105, 182765), (165, 116305), (175, 109659), (231, 83075), (275, 69783), (385, 49845), (525, 36553), (825, 23261), (1155, 16615), (1925, 9969), (3323, 5775)]