19116405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 42793344

約数和(自身を除く): 23676939

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 567, 613, 693, 891, 945, 1155, 1485, 1839, 2079, 2835, 3065, 3465, 4291, 4455, 5517, 6237, 6743, 9195, 10395, 12873, 16551, 20229, 21455, 27585, 31185, 33715, 38619, 47201, 49653, 60687, 64365, 82755, 101145, 115857, 141603, 182061, 193095, 236005, 248265, 303435, 347571, 424809, 546183, 579285, 708015, 910305, 1274427, 1737855, 2124045, 2730915, 3823281, 6372135, 19116405]

約数ペア:

[(1, 19116405), (3, 6372135), (5, 3823281), (7, 2730915), (9, 2124045), (11, 1737855), (15, 1274427), (21, 910305), (27, 708015), (33, 579285), (35, 546183), (45, 424809), (55, 347571), (63, 303435), (77, 248265), (81, 236005), (99, 193095), (105, 182061), (135, 141603), (165, 115857), (189, 101145), (231, 82755), (297, 64365), (315, 60687), (385, 49653), (405, 47201), (495, 38619), (567, 33715), (613, 31185), (693, 27585), (891, 21455), (945, 20229), (1155, 16551), (1485, 12873), (1839, 10395), (2079, 9195), (2835, 6743), (3065, 6237), (3465, 5517), (4291, 4455)]