18739328

素因数分解:

$2^7\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 37537020

約数和(自身を除く): 18797692

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 281, 521, 562, 1042, 1124, 2084, 2248, 4168, 4496, 8336, 8992, 16672, 17984, 33344, 35968, 66688, 146401, 292802, 585604, 1171208, 2342416, 4684832, 9369664, 18739328]

約数ペア:

[(1, 18739328), (2, 9369664), (4, 4684832), (8, 2342416), (16, 1171208), (32, 585604), (64, 292802), (128, 146401), (281, 66688), (521, 35968), (562, 33344), (1042, 17984), (1124, 16672), (2084, 8992), (2248, 8336), (4168, 4496)]