19486944

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1040

約数の個数: 72

約数和(自身を含む): 56255472

約数和(自身を除く): 36768528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 953, 1136, 1278, 1704, 1906, 2272, 2556, 2859, 3408, 3812, 5112, 5718, 6816, 7624, 8577, 10224, 11436, 15248, 17154, 20448, 22872, 30496, 34308, 45744, 67663, 68616, 91488, 135326, 137232, 202989, 270652, 274464, 405978, 541304, 608967, 811956, 1082608, 1217934, 1623912, 2165216, 2435868, 3247824, 4871736, 6495648, 9743472, 19486944]

約数ペア:

[(1, 19486944), (2, 9743472), (3, 6495648), (4, 4871736), (6, 3247824), (8, 2435868), (9, 2165216), (12, 1623912), (16, 1217934), (18, 1082608), (24, 811956), (32, 608967), (36, 541304), (48, 405978), (71, 274464), (72, 270652), (96, 202989), (142, 137232), (144, 135326), (213, 91488), (284, 68616), (288, 67663), (426, 45744), (568, 34308), (639, 30496), (852, 22872), (953, 20448), (1136, 17154), (1278, 15248), (1704, 11436), (1906, 10224), (2272, 8577), (2556, 7624), (2859, 6816), (3408, 5718), (3812, 5112)]