19286916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 50944320

約数和(自身を除く): 31657404

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 359, 363, 407, 444, 484, 718, 726, 814, 1077, 1221, 1436, 1452, 1628, 2154, 2442, 3949, 4308, 4477, 4884, 7898, 8954, 11847, 13283, 13431, 15796, 17908, 23694, 26566, 26862, 39849, 43439, 47388, 53132, 53724, 79698, 86878, 130317, 146113, 159396, 173756, 260634, 292226, 438339, 521268, 584452, 876678, 1607243, 1753356, 3214486, 4821729, 6428972, 9643458, 19286916]

約数ペア:

[(1, 19286916), (2, 9643458), (3, 6428972), (4, 4821729), (6, 3214486), (11, 1753356), (12, 1607243), (22, 876678), (33, 584452), (37, 521268), (44, 438339), (66, 292226), (74, 260634), (111, 173756), (121, 159396), (132, 146113), (148, 130317), (222, 86878), (242, 79698), (359, 53724), (363, 53132), (407, 47388), (444, 43439), (484, 39849), (718, 26862), (726, 26566), (814, 23694), (1077, 17908), (1221, 15796), (1436, 13431), (1452, 13283), (1628, 11847), (2154, 8954), (2442, 7898), (3949, 4884), (4308, 4477)]