19526128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 39234096

約数和(自身を除く): 19707968

約数列:

[1, 2, 4, 8, 16, 43, 86, 101, 172, 202, 281, 344, 404, 562, 688, 808, 1124, 1616, 2248, 4343, 4496, 8686, 12083, 17372, 24166, 28381, 34744, 48332, 56762, 69488, 96664, 113524, 193328, 227048, 454096, 1220383, 2440766, 4881532, 9763064, 19526128]

約数ペア:

[(1, 19526128), (2, 9763064), (4, 4881532), (8, 2440766), (16, 1220383), (43, 454096), (86, 227048), (101, 193328), (172, 113524), (202, 96664), (281, 69488), (344, 56762), (404, 48332), (562, 34744), (688, 28381), (808, 24166), (1124, 17372), (1616, 12083), (2248, 8686), (4343, 4496)]