19776512

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 88

約数和(自身を含む): 47162880

約数和(自身を除く): 27386368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 89, 112, 124, 128, 178, 217, 224, 248, 256, 356, 434, 448, 496, 512, 623, 712, 868, 896, 992, 1024, 1246, 1424, 1736, 1792, 1984, 2492, 2759, 2848, 3472, 3584, 3968, 4984, 5518, 5696, 6944, 7168, 7936, 9968, 11036, 11392, 13888, 15872, 19313, 19936, 22072, 22784, 27776, 31744, 38626, 39872, 44144, 45568, 55552, 77252, 79744, 88288, 91136, 111104, 154504, 159488, 176576, 222208, 309008, 318976, 353152, 618016, 637952, 706304, 1236032, 1412608, 2472064, 2825216, 4944128, 9888256, 19776512]

約数ペア:

[(1, 19776512), (2, 9888256), (4, 4944128), (7, 2825216), (8, 2472064), (14, 1412608), (16, 1236032), (28, 706304), (31, 637952), (32, 618016), (56, 353152), (62, 318976), (64, 309008), (89, 222208), (112, 176576), (124, 159488), (128, 154504), (178, 111104), (217, 91136), (224, 88288), (248, 79744), (256, 77252), (356, 55552), (434, 45568), (448, 44144), (496, 39872), (512, 38626), (623, 31744), (712, 27776), (868, 22784), (896, 22072), (992, 19936), (1024, 19313), (1246, 15872), (1424, 13888), (1736, 11392), (1792, 11036), (1984, 9968), (2492, 7936), (2759, 7168), (2848, 6944), (3472, 5696), (3584, 5518), (3968, 4984)]