19734876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 57867264

約数和(自身を除く): 38132388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1103, 1278, 1491, 1988, 2206, 2556, 2982, 3309, 4412, 4473, 5964, 6618, 7721, 8946, 9927, 13236, 15442, 17892, 19854, 23163, 30884, 39708, 46326, 69489, 78313, 92652, 138978, 156626, 234939, 277956, 313252, 469878, 548191, 704817, 939756, 1096382, 1409634, 1644573, 2192764, 2819268, 3289146, 4933719, 6578292, 9867438, 19734876]

約数ペア:

[(1, 19734876), (2, 9867438), (3, 6578292), (4, 4933719), (6, 3289146), (7, 2819268), (9, 2192764), (12, 1644573), (14, 1409634), (18, 1096382), (21, 939756), (28, 704817), (36, 548191), (42, 469878), (63, 313252), (71, 277956), (84, 234939), (126, 156626), (142, 138978), (213, 92652), (252, 78313), (284, 69489), (426, 46326), (497, 39708), (639, 30884), (852, 23163), (994, 19854), (1103, 17892), (1278, 15442), (1491, 13236), (1988, 9927), (2206, 8946), (2556, 7721), (2982, 6618), (3309, 5964), (4412, 4473)]