18379648

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 42570720

約数和(自身を除く): 24191072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 281, 292, 448, 511, 562, 584, 896, 1022, 1124, 1168, 1967, 2044, 2248, 2336, 3934, 4088, 4496, 4672, 7868, 8176, 8992, 9344, 15736, 16352, 17984, 20513, 31472, 32704, 35968, 41026, 62944, 65408, 82052, 125888, 143591, 164104, 251776, 287182, 328208, 574364, 656416, 1148728, 1312832, 2297456, 2625664, 4594912, 9189824, 18379648]

約数ペア:

[(1, 18379648), (2, 9189824), (4, 4594912), (7, 2625664), (8, 2297456), (14, 1312832), (16, 1148728), (28, 656416), (32, 574364), (56, 328208), (64, 287182), (73, 251776), (112, 164104), (128, 143591), (146, 125888), (224, 82052), (281, 65408), (292, 62944), (448, 41026), (511, 35968), (562, 32704), (584, 31472), (896, 20513), (1022, 17984), (1124, 16352), (1168, 15736), (1967, 9344), (2044, 8992), (2248, 8176), (2336, 7868), (3934, 4672), (4088, 4496)]