19980352

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:555

約数の個数: 56

約数和(自身を含む): 45858176

約数和(自身を除く): 25877824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 412, 433, 448, 721, 824, 866, 1442, 1648, 1732, 2884, 3031, 3296, 3464, 5768, 6062, 6592, 6928, 11536, 12124, 13856, 23072, 24248, 27712, 44599, 46144, 48496, 89198, 96992, 178396, 193984, 312193, 356792, 624386, 713584, 1248772, 1427168, 2497544, 2854336, 4995088, 9990176, 19980352]

約数ペア:

[(1, 19980352), (2, 9990176), (4, 4995088), (7, 2854336), (8, 2497544), (14, 1427168), (16, 1248772), (28, 713584), (32, 624386), (56, 356792), (64, 312193), (103, 193984), (112, 178396), (206, 96992), (224, 89198), (412, 48496), (433, 46144), (448, 44599), (721, 27712), (824, 24248), (866, 23072), (1442, 13856), (1648, 12124), (1732, 11536), (2884, 6928), (3031, 6592), (3296, 6062), (3464, 5768)]