19494656

素因数分解:

$2^8\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 39195744

約数和(自身を除く): 19701088

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 271, 281, 542, 562, 1084, 1124, 2168, 2248, 4336, 4496, 8672, 8992, 17344, 17984, 34688, 35968, 69376, 71936, 76151, 152302, 304604, 609208, 1218416, 2436832, 4873664, 9747328, 19494656]

約数ペア:

[(1, 19494656), (2, 9747328), (4, 4873664), (8, 2436832), (16, 1218416), (32, 609208), (64, 304604), (128, 152302), (256, 76151), (271, 71936), (281, 69376), (542, 35968), (562, 34688), (1084, 17984), (1124, 17344), (2168, 8992), (2248, 8672), (4336, 4496)]