19707136

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3386

約数の個数: 36

約数和(自身を含む): 41059872

約数和(自身を除く): 21352736

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3347, 5888, 6694, 13388, 26776, 53552, 76981, 107104, 153962, 214208, 307924, 428416, 615848, 856832, 1231696, 2463392, 4926784, 9853568, 19707136]

約数ペア:

[(1, 19707136), (2, 9853568), (4, 4926784), (8, 2463392), (16, 1231696), (23, 856832), (32, 615848), (46, 428416), (64, 307924), (92, 214208), (128, 153962), (184, 107104), (256, 76981), (368, 53552), (736, 26776), (1472, 13388), (2944, 6694), (3347, 5888)]