1648623616

素因数分解:

$2^{18}\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 76

約数和(自身を含む): 3481265680

約数和(自身を除く): 1832642064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 331, 512, 608, 662, 1024, 1216, 1324, 2048, 2432, 2648, 4096, 4864, 5296, 6289, 8192, 9728, 10592, 12578, 16384, 19456, 21184, 25156, 32768, 38912, 42368, 50312, 65536, 77824, 84736, 100624, 131072, 155648, 169472, 201248, 262144, 311296, 338944, 402496, 622592, 677888, 804992, 1245184, 1355776, 1609984, 2490368, 2711552, 3219968, 4980736, 5423104, 6439936, 10846208, 12879872, 21692416, 25759744, 43384832, 51519488, 86769664, 103038976, 206077952, 412155904, 824311808, 1648623616]

約数ペア:

[(1, 1648623616), (2, 824311808), (4, 412155904), (8, 206077952), (16, 103038976), (19, 86769664), (32, 51519488), (38, 43384832), (64, 25759744), (76, 21692416), (128, 12879872), (152, 10846208), (256, 6439936), (304, 5423104), (331, 4980736), (512, 3219968), (608, 2711552), (662, 2490368), (1024, 1609984), (1216, 1355776), (1324, 1245184), (2048, 804992), (2432, 677888), (2648, 622592), (4096, 402496), (4864, 338944), (5296, 311296), (6289, 262144), (8192, 201248), (9728, 169472), (10592, 155648), (12578, 131072), (16384, 100624), (19456, 84736), (21184, 77824), (25156, 65536), (32768, 50312), (38912, 42368)]