19664256

素因数分解:

$2^7\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 53550000

約数和(自身を除く): 33885744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 328, 384, 492, 656, 984, 1249, 1312, 1968, 2498, 2624, 3747, 3936, 4996, 5248, 7494, 7872, 9992, 14988, 15744, 19984, 29976, 39968, 51209, 59952, 79936, 102418, 119904, 153627, 159872, 204836, 239808, 307254, 409672, 479616, 614508, 819344, 1229016, 1638688, 2458032, 3277376, 4916064, 6554752, 9832128, 19664256]

約数ペア:

[(1, 19664256), (2, 9832128), (3, 6554752), (4, 4916064), (6, 3277376), (8, 2458032), (12, 1638688), (16, 1229016), (24, 819344), (32, 614508), (41, 479616), (48, 409672), (64, 307254), (82, 239808), (96, 204836), (123, 159872), (128, 153627), (164, 119904), (192, 102418), (246, 79936), (328, 59952), (384, 51209), (492, 39968), (656, 29976), (984, 19984), (1249, 15744), (1312, 14988), (1968, 9992), (2498, 7872), (2624, 7494), (3747, 5248), (3936, 4996)]