18973952

素因数分解:

$2^8\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 38220756

約数和(自身を除く): 19246804

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 541, 548, 1082, 1096, 2164, 2192, 4328, 4384, 8656, 8768, 17312, 17536, 34624, 35072, 69248, 74117, 138496, 148234, 296468, 592936, 1185872, 2371744, 4743488, 9486976, 18973952]

約数ペア:

[(1, 18973952), (2, 9486976), (4, 4743488), (8, 2371744), (16, 1185872), (32, 592936), (64, 296468), (128, 148234), (137, 138496), (256, 74117), (274, 69248), (541, 35072), (548, 34624), (1082, 17536), (1096, 17312), (2164, 8768), (2192, 8656), (4328, 4384)]