19687616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23663}}^1$

素因数の和:23688

約数の個数: 28

約数和(自身を含む): 42074592

約数和(自身を除く): 22386976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23663, 47326, 94652, 189304, 307619, 378608, 615238, 757216, 1230476, 1514432, 2460952, 4921904, 9843808, 19687616]

約数ペア:

[(1, 19687616), (2, 9843808), (4, 4921904), (8, 2460952), (13, 1514432), (16, 1230476), (26, 757216), (32, 615238), (52, 378608), (64, 307619), (104, 189304), (208, 94652), (416, 47326), (832, 23663)]