18538496

素因数分解:

$2^{13}\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 56

約数和(自身を含む): 38794944

約数和(自身を除く): 20256448

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 146, 248, 256, 292, 496, 512, 584, 992, 1024, 1168, 1984, 2048, 2263, 2336, 3968, 4096, 4526, 4672, 7936, 8192, 9052, 9344, 15872, 18104, 18688, 31744, 36208, 37376, 63488, 72416, 74752, 126976, 144832, 149504, 253952, 289664, 299008, 579328, 598016, 1158656, 2317312, 4634624, 9269248, 18538496]

約数ペア:

[(1, 18538496), (2, 9269248), (4, 4634624), (8, 2317312), (16, 1158656), (31, 598016), (32, 579328), (62, 299008), (64, 289664), (73, 253952), (124, 149504), (128, 144832), (146, 126976), (248, 74752), (256, 72416), (292, 63488), (496, 37376), (512, 36208), (584, 31744), (992, 18688), (1024, 18104), (1168, 15872), (1984, 9344), (2048, 9052), (2263, 8192), (2336, 7936), (3968, 4672), (4096, 4526)]