16686978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 43822080

約数和(自身を除く): 27135102

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 1901, 2926, 3802, 4389, 5703, 8778, 11406, 13307, 20911, 26614, 36119, 39921, 41822, 62733, 72238, 79842, 108357, 125466, 146377, 216714, 252833, 292754, 397309, 439131, 505666, 758499, 794618, 878262, 1191927, 1516998, 2383854, 2781163, 5562326, 8343489, 16686978]

約数ペア:

[(1, 16686978), (2, 8343489), (3, 5562326), (6, 2781163), (7, 2383854), (11, 1516998), (14, 1191927), (19, 878262), (21, 794618), (22, 758499), (33, 505666), (38, 439131), (42, 397309), (57, 292754), (66, 252833), (77, 216714), (114, 146377), (133, 125466), (154, 108357), (209, 79842), (231, 72238), (266, 62733), (399, 41822), (418, 39921), (462, 36119), (627, 26614), (798, 20911), (1254, 13307), (1463, 11406), (1901, 8778), (2926, 5703), (3802, 4389)]