18171904

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 38329200

約数和(自身を除く): 20157296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 467, 512, 608, 934, 1024, 1216, 1868, 2048, 2432, 3736, 4864, 7472, 8873, 9728, 14944, 17746, 19456, 29888, 35492, 38912, 59776, 70984, 119552, 141968, 239104, 283936, 478208, 567872, 956416, 1135744, 2271488, 4542976, 9085952, 18171904]

約数ペア:

[(1, 18171904), (2, 9085952), (4, 4542976), (8, 2271488), (16, 1135744), (19, 956416), (32, 567872), (38, 478208), (64, 283936), (76, 239104), (128, 141968), (152, 119552), (256, 70984), (304, 59776), (467, 38912), (512, 35492), (608, 29888), (934, 19456), (1024, 17746), (1216, 14944), (1868, 9728), (2048, 8873), (2432, 7472), (3736, 4864)]