19914510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 61461504

約数和(自身を除く): 41546994

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 37, 42, 55, 66, 70, 74, 77, 105, 110, 111, 154, 165, 185, 210, 222, 231, 233, 259, 330, 370, 385, 407, 462, 466, 518, 555, 699, 770, 777, 814, 1110, 1155, 1165, 1221, 1295, 1398, 1554, 1631, 2035, 2310, 2330, 2442, 2563, 2590, 2849, 3262, 3495, 3885, 4070, 4893, 5126, 5698, 6105, 6990, 7689, 7770, 8155, 8547, 8621, 9786, 12210, 12815, 14245, 15378, 16310, 17094, 17242, 17941, 24465, 25630, 25863, 28490, 35882, 38445, 42735, 43105, 48930, 51726, 53823, 60347, 76890, 85470, 86210, 89705, 94831, 107646, 120694, 129315, 179410, 181041, 189662, 258630, 269115, 284493, 301735, 362082, 474155, 538230, 568986, 603470, 663817, 905205, 948310, 1327634, 1422465, 1810410, 1991451, 2844930, 3319085, 3982902, 6638170, 9957255, 19914510]

約数ペア:

[(1, 19914510), (2, 9957255), (3, 6638170), (5, 3982902), (6, 3319085), (7, 2844930), (10, 1991451), (11, 1810410), (14, 1422465), (15, 1327634), (21, 948310), (22, 905205), (30, 663817), (33, 603470), (35, 568986), (37, 538230), (42, 474155), (55, 362082), (66, 301735), (70, 284493), (74, 269115), (77, 258630), (105, 189662), (110, 181041), (111, 179410), (154, 129315), (165, 120694), (185, 107646), (210, 94831), (222, 89705), (231, 86210), (233, 85470), (259, 76890), (330, 60347), (370, 53823), (385, 51726), (407, 48930), (462, 43105), (466, 42735), (518, 38445), (555, 35882), (699, 28490), (770, 25863), (777, 25630), (814, 24465), (1110, 17941), (1155, 17242), (1165, 17094), (1221, 16310), (1295, 15378), (1398, 14245), (1554, 12815), (1631, 12210), (2035, 9786), (2310, 8621), (2330, 8547), (2442, 8155), (2563, 7770), (2590, 7689), (2849, 6990), (3262, 6105), (3495, 5698), (3885, 5126), (4070, 4893)]